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Finding the Fourth Proportional to 155,003.60, 232,505.40 and 55,276.40

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Solution

The fourth proportional to 155,003.60, 232,505.40 and 55,276.40 is: 82,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,003.60 : 232,505.40 = 55,276.40 : x
  2. Step 2: Convert to fraction form
    155,003.60/232,505.40 = 55,276.40/x
  3. Step 3: Cross multiply
    155,003.60x = 232,505.40 × 55,276.40
  4. Step 4: Simplify right side
    155,003.60x = 12,852,061,492.56
  5. Step 5: Solve for x
    x = 12,852,061,492.56/155,003.60
  6. Step 6: Final answer
    x = 82,914.60

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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.