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Finding the Fourth Proportional to 175,601.38, 242,314.60 and 103,018.90

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Solution

The fourth proportional to 175,601.38, 242,314.60 and 103,018.90 is: 142,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,601.38 : 242,314.60 = 103,018.90 : x
  2. Step 2: Convert to fraction form
    175,601.38/242,314.60 = 103,018.90/x
  3. Step 3: Cross multiply
    175,601.38x = 242,314.60 × 103,018.90
  4. Step 4: Simplify right side
    175,601.38x = 24,962,983,545.94
  5. Step 5: Solve for x
    x = 24,962,983,545.94/175,601.38
  6. Step 6: Final answer
    x = 142,157.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.