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Finding the Fourth Proportional to 92,875.92, 128,176.68 and 52,596.72

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Solution

The fourth proportional to 92,875.92, 128,176.68 and 52,596.72 is: 72,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,875.92 : 128,176.68 = 52,596.72 : x
  2. Step 2: Convert to fraction form
    92,875.92/128,176.68 = 52,596.72/x
  3. Step 3: Cross multiply
    92,875.92x = 128,176.68 × 52,596.72
  4. Step 4: Simplify right side
    92,875.92x = 6,741,672,948.49
  5. Step 5: Solve for x
    x = 6,741,672,948.49/92,875.92
  6. Step 6: Final answer
    x = 72,587.95

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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.