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Finding the Fourth Proportional to 359,595.69, 539,300.13 and 106,816.76

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Solution

The fourth proportional to 359,595.69, 539,300.13 and 106,816.76 is: 160,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,595.69 : 539,300.13 = 106,816.76 : x
  2. Step 2: Convert to fraction form
    359,595.69/539,300.13 = 106,816.76/x
  3. Step 3: Cross multiply
    359,595.69x = 539,300.13 × 106,816.76
  4. Step 4: Simplify right side
    359,595.69x = 57,606,291,479.49
  5. Step 5: Solve for x
    x = 57,606,291,479.49/359,595.69
  6. Step 6: Final answer
    x = 160,197.39

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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.