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Finding the Fourth Proportional to 67,285.92, 101,018.16 and 57,488.16

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Solution

The fourth proportional to 67,285.92, 101,018.16 and 57,488.16 is: 86,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285.92 : 101,018.16 = 57,488.16 : x
  2. Step 2: Convert to fraction form
    67,285.92/101,018.16 = 57,488.16/x
  3. Step 3: Cross multiply
    67,285.92x = 101,018.16 × 57,488.16
  4. Step 4: Simplify right side
    67,285.92x = 5,807,348,144.99
  5. Step 5: Solve for x
    x = 5,807,348,144.99/67,285.92
  6. Step 6: Final answer
    x = 86,308.52

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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.