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Finding the Fourth Proportional to 92,710.64, 127,939.88 and 52,432.28

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Solution

The fourth proportional to 92,710.64, 127,939.88 and 52,432.28 is: 72,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,710.64 : 127,939.88 = 52,432.28 : x
  2. Step 2: Convert to fraction form
    92,710.64/127,939.88 = 52,432.28/x
  3. Step 3: Cross multiply
    92,710.64x = 127,939.88 × 52,432.28
  4. Step 4: Simplify right side
    92,710.64x = 6,708,179,611.33
  5. Step 5: Solve for x
    x = 6,708,179,611.33/92,710.64
  6. Step 6: Final answer
    x = 72,356.09

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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.