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Finding the Fourth Proportional to 358,581.80, 537,892.14 and 134,001.20

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Solution

The fourth proportional to 358,581.80, 537,892.14 and 134,001.20 is: 201,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,581.80 : 537,892.14 = 134,001.20 : x
  2. Step 2: Convert to fraction form
    358,581.80/537,892.14 = 134,001.20/x
  3. Step 3: Cross multiply
    358,581.80x = 537,892.14 × 134,001.20
  4. Step 4: Simplify right side
    358,581.80x = 72,078,192,230.57
  5. Step 5: Solve for x
    x = 72,078,192,230.57/358,581.80
  6. Step 6: Final answer
    x = 201,009.06

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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.