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Finding the Fourth Proportional to 147,404.40, 203,423.52 and 83,753.04

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Solution

The fourth proportional to 147,404.40, 203,423.52 and 83,753.04 is: 115,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,404.40 : 203,423.52 = 83,753.04 : x
  2. Step 2: Convert to fraction form
    147,404.40/203,423.52 = 83,753.04/x
  3. Step 3: Cross multiply
    147,404.40x = 203,423.52 × 83,753.04
  4. Step 4: Simplify right side
    147,404.40x = 17,037,338,207.50
  5. Step 5: Solve for x
    x = 17,037,338,207.50/147,404.40
  6. Step 6: Final answer
    x = 115,582.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.