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Finding the Fourth Proportional to 92,877.52, 128,178.92 and 52,598.40

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Solution

The fourth proportional to 92,877.52, 128,178.92 and 52,598.40 is: 72,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.52 : 128,178.92 = 52,598.40 : x
  2. Step 2: Convert to fraction form
    92,877.52/128,178.92 = 52,598.40/x
  3. Step 3: Cross multiply
    92,877.52x = 128,178.92 × 52,598.40
  4. Step 4: Simplify right side
    92,877.52x = 6,742,006,105.73
  5. Step 5: Solve for x
    x = 6,742,006,105.73/92,877.52
  6. Step 6: Final answer
    x = 72,590.29

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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.