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Finding the Fourth Proportional to 109,087.60, 163,631.40 and 88,351.60

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Solution

The fourth proportional to 109,087.60, 163,631.40 and 88,351.60 is: 132,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,087.60 : 163,631.40 = 88,351.60 : x
  2. Step 2: Convert to fraction form
    109,087.60/163,631.40 = 88,351.60/x
  3. Step 3: Cross multiply
    109,087.60x = 163,631.40 × 88,351.60
  4. Step 4: Simplify right side
    109,087.60x = 14,457,096,000.24
  5. Step 5: Solve for x
    x = 14,457,096,000.24/109,087.60
  6. Step 6: Final answer
    x = 132,527.40

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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.