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Finding the Fourth Proportional to 111,885.60, 168,022.80 and 59,397.60

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Solution

The fourth proportional to 111,885.60, 168,022.80 and 59,397.60 is: 89,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,885.60 : 168,022.80 = 59,397.60 : x
  2. Step 2: Convert to fraction form
    111,885.60/168,022.80 = 59,397.60/x
  3. Step 3: Cross multiply
    111,885.60x = 168,022.80 × 59,397.60
  4. Step 4: Simplify right side
    111,885.60x = 9,980,151,065.28
  5. Step 5: Solve for x
    x = 9,980,151,065.28/111,885.60
  6. Step 6: Final answer
    x = 89,199.60

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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.