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Finding the Fourth Proportional to 89,883.16, 134,715.42 and 63,595.48

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Solution

The fourth proportional to 89,883.16, 134,715.42 and 63,595.48 is: 95,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,883.16 : 134,715.42 = 63,595.48 : x
  2. Step 2: Convert to fraction form
    89,883.16/134,715.42 = 63,595.48/x
  3. Step 3: Cross multiply
    89,883.16x = 134,715.42 × 63,595.48
  4. Step 4: Simplify right side
    89,883.16x = 8,567,291,798.30
  5. Step 5: Solve for x
    x = 8,567,291,798.30/89,883.16
  6. Step 6: Final answer
    x = 95,315.87

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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.