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Finding the Fourth Proportional to 112,735.92, 155,580.48 and 62,434.92

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Solution

The fourth proportional to 112,735.92, 155,580.48 and 62,434.92 is: 86,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,735.92 : 155,580.48 = 62,434.92 : x
  2. Step 2: Convert to fraction form
    112,735.92/155,580.48 = 62,434.92/x
  3. Step 3: Cross multiply
    112,735.92x = 155,580.48 × 62,434.92
  4. Step 4: Simplify right side
    112,735.92x = 9,713,654,822.36
  5. Step 5: Solve for x
    x = 9,713,654,822.36/112,735.92
  6. Step 6: Final answer
    x = 86,162.91

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1.5x scale

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.