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Finding the Fourth Proportional to 92,932.89, 128,253.71 and 52,646.97

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Solution

The fourth proportional to 92,932.89, 128,253.71 and 52,646.97 is: 72,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,932.89 : 128,253.71 = 52,646.97 : x
  2. Step 2: Convert to fraction form
    92,932.89/128,253.71 = 52,646.97/x
  3. Step 3: Cross multiply
    92,932.89x = 128,253.71 × 52,646.97
  4. Step 4: Simplify right side
    92,932.89x = 6,752,169,222.76
  5. Step 5: Solve for x
    x = 6,752,169,222.76/92,932.89
  6. Step 6: Final answer
    x = 72,656.40

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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.