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Finding the Fourth Proportional to 146,697,714.80, 220,046,572.20 and 44,448,466.40

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Solution

The fourth proportional to 146,697,714.80, 220,046,572.20 and 44,448,466.40 is: 66,672,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,697,714.80 : 220,046,572.20 = 44,448,466.40 : x
  2. Step 2: Convert to fraction form
    146,697,714.80/220,046,572.20 = 44,448,466.40/x
  3. Step 3: Cross multiply
    146,697,714.80x = 220,046,572.20 × 44,448,466.40
  4. Step 4: Simplify right side
    146,697,714.80x = 9,780,732,670,866,874
  5. Step 5: Solve for x
    x = 9,780,732,670,866,874/146,697,714.80
  6. Step 6: Final answer
    x = 66,672,699.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.