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Finding the Fourth Proportional to 146,697,713.80, 220,046,570.70 and 44,448,465.40

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Solution

The fourth proportional to 146,697,713.80, 220,046,570.70 and 44,448,465.40 is: 66,672,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,697,713.80 : 220,046,570.70 = 44,448,465.40 : x
  2. Step 2: Convert to fraction form
    146,697,713.80/220,046,570.70 = 44,448,465.40/x
  3. Step 3: Cross multiply
    146,697,713.80x = 220,046,570.70 × 44,448,465.40
  4. Step 4: Simplify right side
    146,697,713.80x = 9,780,732,384,147,602
  5. Step 5: Solve for x
    x = 9,780,732,384,147,602/146,697,713.80
  6. Step 6: Final answer
    x = 66,672,698.10

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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.