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Finding the Fourth Proportional to 359,762.32, 539,549.38 and 106,974.69

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Solution

The fourth proportional to 359,762.32, 539,549.38 and 106,974.69 is: 160,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,762.32 : 539,549.38 = 106,974.69 : x
  2. Step 2: Convert to fraction form
    359,762.32/539,549.38 = 106,974.69/x
  3. Step 3: Cross multiply
    359,762.32x = 539,549.38 × 106,974.69
  4. Step 4: Simplify right side
    359,762.32x = 57,718,127,665.19
  5. Step 5: Solve for x
    x = 57,718,127,665.19/359,762.32
  6. Step 6: Final answer
    x = 160,434.05

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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.