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Finding the Fourth Proportional to 94,807.92, 130,760.28 and 88,448.88

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Solution

The fourth proportional to 94,807.92, 130,760.28 and 88,448.88 is: 121,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,807.92 : 130,760.28 = 88,448.88 : x
  2. Step 2: Convert to fraction form
    94,807.92/130,760.28 = 88,448.88/x
  3. Step 3: Cross multiply
    94,807.92x = 130,760.28 × 88,448.88
  4. Step 4: Simplify right side
    94,807.92x = 11,565,600,314.49
  5. Step 5: Solve for x
    x = 11,565,600,314.49/94,807.92
  6. Step 6: Final answer
    x = 121,989.81

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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.