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Finding the Fourth Proportional to 104,492.60, 156,738.90 and 88,746.20

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Solution

The fourth proportional to 104,492.60, 156,738.90 and 88,746.20 is: 133,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,492.60 : 156,738.90 = 88,746.20 : x
  2. Step 2: Convert to fraction form
    104,492.60/156,738.90 = 88,746.20/x
  3. Step 3: Cross multiply
    104,492.60x = 156,738.90 × 88,746.20
  4. Step 4: Simplify right side
    104,492.60x = 13,909,981,767.18
  5. Step 5: Solve for x
    x = 13,909,981,767.18/104,492.60
  6. Step 6: Final answer
    x = 133,119.30

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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.