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Finding the Fourth Proportional to 115,033.92, 172,567.88 and 58,905.76

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Solution

The fourth proportional to 115,033.92, 172,567.88 and 58,905.76 is: 88,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,033.92 : 172,567.88 = 58,905.76 : x
  2. Step 2: Convert to fraction form
    115,033.92/172,567.88 = 58,905.76/x
  3. Step 3: Cross multiply
    115,033.92x = 172,567.88 × 58,905.76
  4. Step 4: Simplify right side
    115,033.92x = 10,165,242,122.99
  5. Step 5: Solve for x
    x = 10,165,242,122.99/115,033.92
  6. Step 6: Final answer
    x = 88,367.35

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1.5x scale

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.