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Finding the Fourth Proportional to 359,582.54, 539,481.13 and 106,871.45

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Solution

The fourth proportional to 359,582.54, 539,481.13 and 106,871.45 is: 160,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,582.54 : 539,481.13 = 106,871.45 : x
  2. Step 2: Convert to fraction form
    359,582.54/539,481.13 = 106,871.45/x
  3. Step 3: Cross multiply
    359,582.54x = 539,481.13 × 106,871.45
  4. Step 4: Simplify right side
    359,582.54x = 57,655,127,646.15
  5. Step 5: Solve for x
    x = 57,655,127,646.15/359,582.54
  6. Step 6: Final answer
    x = 160,339.07

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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.