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Finding the Fourth Proportional to 111,949.60, 168,118.80 and 59,461.60

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Solution

The fourth proportional to 111,949.60, 168,118.80 and 59,461.60 is: 89,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,949.60 : 168,118.80 = 59,461.60 : x
  2. Step 2: Convert to fraction form
    111,949.60/168,118.80 = 59,461.60/x
  3. Step 3: Cross multiply
    111,949.60x = 168,118.80 × 59,461.60
  4. Step 4: Simplify right side
    111,949.60x = 9,996,612,838.08
  5. Step 5: Solve for x
    x = 9,996,612,838.08/111,949.60
  6. Step 6: Final answer
    x = 89,295.65

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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.