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Finding the Fourth Proportional to 146,808.30, 220,212.45 and 36,000.30

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Solution

The fourth proportional to 146,808.30, 220,212.45 and 36,000.30 is: 54,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,808.30 : 220,212.45 = 36,000.30 : x
  2. Step 2: Convert to fraction form
    146,808.30/220,212.45 = 36,000.30/x
  3. Step 3: Cross multiply
    146,808.30x = 220,212.45 × 36,000.30
  4. Step 4: Simplify right side
    146,808.30x = 7,927,714,263.74
  5. Step 5: Solve for x
    x = 7,927,714,263.74/146,808.30
  6. Step 6: Final answer
    x = 54,000.45

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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.