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Finding the Fourth Proportional to 92,876.76, 128,166.30 and 52,592.76

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Solution

The fourth proportional to 92,876.76, 128,166.30 and 52,592.76 is: 72,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,876.76 : 128,166.30 = 52,592.76 : x
  2. Step 2: Convert to fraction form
    92,876.76/128,166.30 = 52,592.76/x
  3. Step 3: Cross multiply
    92,876.76x = 128,166.30 × 52,592.76
  4. Step 4: Simplify right side
    92,876.76x = 6,740,619,455.99
  5. Step 5: Solve for x
    x = 6,740,619,455.99/92,876.76
  6. Step 6: Final answer
    x = 72,575.95

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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.