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Finding the Fourth Proportional to 111,488.40, 167,232.60 and 98,366.40

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Solution

The fourth proportional to 111,488.40, 167,232.60 and 98,366.40 is: 147,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,488.40 : 167,232.60 = 98,366.40 : x
  2. Step 2: Convert to fraction form
    111,488.40/167,232.60 = 98,366.40/x
  3. Step 3: Cross multiply
    111,488.40x = 167,232.60 × 98,366.40
  4. Step 4: Simplify right side
    111,488.40x = 16,450,068,824.64
  5. Step 5: Solve for x
    x = 16,450,068,824.64/111,488.40
  6. Step 6: Final answer
    x = 147,549.60

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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.