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Finding the Fourth Proportional to 104,752.50, 157,129.56 and 29,872.58

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Solution

The fourth proportional to 104,752.50, 157,129.56 and 29,872.58 is: 44,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,752.50 : 157,129.56 = 29,872.58 : x
  2. Step 2: Convert to fraction form
    104,752.50/157,129.56 = 29,872.58/x
  3. Step 3: Cross multiply
    104,752.50x = 157,129.56 × 29,872.58
  4. Step 4: Simplify right side
    104,752.50x = 4,693,865,351.46
  5. Step 5: Solve for x
    x = 4,693,865,351.46/104,752.50
  6. Step 6: Final answer
    x = 44,809.10

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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.