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Finding the Fourth Proportional to 359,038.93, 538,572.06 and 134,375.71

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Solution

The fourth proportional to 359,038.93, 538,572.06 and 134,375.71 is: 201,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,038.93 : 538,572.06 = 134,375.71 : x
  2. Step 2: Convert to fraction form
    359,038.93/538,572.06 = 134,375.71/x
  3. Step 3: Cross multiply
    359,038.93x = 538,572.06 × 134,375.71
  4. Step 4: Simplify right side
    359,038.93x = 72,371,001,602.23
  5. Step 5: Solve for x
    x = 72,371,001,602.23/359,038.93
  6. Step 6: Final answer
    x = 201,568.68

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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.