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Finding the Fourth Proportional to 106,331.60, 159,497.40 and 88,835.60

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Solution

The fourth proportional to 106,331.60, 159,497.40 and 88,835.60 is: 133,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,331.60 : 159,497.40 = 88,835.60 : x
  2. Step 2: Convert to fraction form
    106,331.60/159,497.40 = 88,835.60/x
  3. Step 3: Cross multiply
    106,331.60x = 159,497.40 × 88,835.60
  4. Step 4: Simplify right side
    106,331.60x = 14,169,047,227.44
  5. Step 5: Solve for x
    x = 14,169,047,227.44/106,331.60
  6. Step 6: Final answer
    x = 133,253.40

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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.