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Finding the Fourth Proportional to 92,221.76, 127,272.48 and 52,477.76

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Solution

The fourth proportional to 92,221.76, 127,272.48 and 52,477.76 is: 72,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,221.76 : 127,272.48 = 52,477.76 : x
  2. Step 2: Convert to fraction form
    92,221.76/127,272.48 = 52,477.76/x
  3. Step 3: Cross multiply
    92,221.76x = 127,272.48 × 52,477.76
  4. Step 4: Simplify right side
    92,221.76x = 6,678,974,660.04
  5. Step 5: Solve for x
    x = 6,678,974,660.04/92,221.76
  6. Step 6: Final answer
    x = 72,422.98

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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.