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Finding the Fourth Proportional to 187,101.60, 281,343.60 and 156,688.80

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Solution

The fourth proportional to 187,101.60, 281,343.60 and 156,688.80 is: 235,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,101.60 : 281,343.60 = 156,688.80 : x
  2. Step 2: Convert to fraction form
    187,101.60/281,343.60 = 156,688.80/x
  3. Step 3: Cross multiply
    187,101.60x = 281,343.60 × 156,688.80
  4. Step 4: Simplify right side
    187,101.60x = 44,083,391,071.68
  5. Step 5: Solve for x
    x = 44,083,391,071.68/187,101.60
  6. Step 6: Final answer
    x = 235,612.05

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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.