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Finding the Fourth Proportional to 265,855.32, 398,850.18 and 88,363.20

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Solution

The fourth proportional to 265,855.32, 398,850.18 and 88,363.20 is: 132,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,855.32 : 398,850.18 = 88,363.20 : x
  2. Step 2: Convert to fraction form
    265,855.32/398,850.18 = 88,363.20/x
  3. Step 3: Cross multiply
    265,855.32x = 398,850.18 × 88,363.20
  4. Step 4: Simplify right side
    265,855.32x = 35,243,678,225.38
  5. Step 5: Solve for x
    x = 35,243,678,225.38/265,855.32
  6. Step 6: Final answer
    x = 132,567.14

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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.