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Finding the Fourth Proportional to 112,792.60, 169,191.60 and 37,915.30

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Solution

The fourth proportional to 112,792.60, 169,191.60 and 37,915.30 is: 56,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,792.60 : 169,191.60 = 37,915.30 : x
  2. Step 2: Convert to fraction form
    112,792.60/169,191.60 = 37,915.30/x
  3. Step 3: Cross multiply
    112,792.60x = 169,191.60 × 37,915.30
  4. Step 4: Simplify right side
    112,792.60x = 6,414,950,271.48
  5. Step 5: Solve for x
    x = 6,414,950,271.48/112,792.60
  6. Step 6: Final answer
    x = 56,873.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.