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Finding the Fourth Proportional to 359,547.43, 539,181.04 and 134,785.27

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Solution

The fourth proportional to 359,547.43, 539,181.04 and 134,785.27 is: 202,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,547.43 : 539,181.04 = 134,785.27 : x
  2. Step 2: Convert to fraction form
    359,547.43/539,181.04 = 134,785.27/x
  3. Step 3: Cross multiply
    359,547.43x = 539,181.04 × 134,785.27
  4. Step 4: Simplify right side
    359,547.43x = 72,673,660,180.75
  5. Step 5: Solve for x
    x = 72,673,660,180.75/359,547.43
  6. Step 6: Final answer
    x = 202,125.38

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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.