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Finding the Fourth Proportional to 92,877.92, 128,179.44 and 52,598.72

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Solution

The fourth proportional to 92,877.92, 128,179.44 and 52,598.72 is: 72,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.92 : 128,179.44 = 52,598.72 : x
  2. Step 2: Convert to fraction form
    92,877.92/128,179.44 = 52,598.72/x
  3. Step 3: Cross multiply
    92,877.92x = 128,179.44 × 52,598.72
  4. Step 4: Simplify right side
    92,877.92x = 6,742,074,474.32
  5. Step 5: Solve for x
    x = 6,742,074,474.32/92,877.92
  6. Step 6: Final answer
    x = 72,590.71

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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.