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Finding the Fourth Proportional to 359,549.94, 539,184.79 and 134,787.76

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Solution

The fourth proportional to 359,549.94, 539,184.79 and 134,787.76 is: 202,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,549.94 : 539,184.79 = 134,787.76 : x
  2. Step 2: Convert to fraction form
    359,549.94/539,184.79 = 134,787.76/x
  3. Step 3: Cross multiply
    359,549.94x = 539,184.79 × 134,787.76
  4. Step 4: Simplify right side
    359,549.94x = 72,675,510,070.17
  5. Step 5: Solve for x
    x = 72,675,510,070.17/359,549.94
  6. Step 6: Final answer
    x = 202,129.11

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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.