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Finding the Fourth Proportional to 359,592.55, 539,248.59 and 134,830.51

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Solution

The fourth proportional to 359,592.55, 539,248.59 and 134,830.51 is: 202,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,592.55 : 539,248.59 = 134,830.51 : x
  2. Step 2: Convert to fraction form
    359,592.55/539,248.59 = 134,830.51/x
  3. Step 3: Cross multiply
    359,592.55x = 539,248.59 × 134,830.51
  4. Step 4: Simplify right side
    359,592.55x = 72,707,161,058.36
  5. Step 5: Solve for x
    x = 72,707,161,058.36/359,592.55
  6. Step 6: Final answer
    x = 202,193.18

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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.