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Finding the Fourth Proportional to 92,817.60, 128,035.20 and 58,763.52

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Solution

The fourth proportional to 92,817.60, 128,035.20 and 58,763.52 is: 81,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.60 : 128,035.20 = 58,763.52 : x
  2. Step 2: Convert to fraction form
    92,817.60/128,035.20 = 58,763.52/x
  3. Step 3: Cross multiply
    92,817.60x = 128,035.20 × 58,763.52
  4. Step 4: Simplify right side
    92,817.60x = 7,523,799,035.90
  5. Step 5: Solve for x
    x = 7,523,799,035.90/92,817.60
  6. Step 6: Final answer
    x = 81,060.05

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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.