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Finding the Fourth Proportional to 111,935.60, 168,097.80 and 59,447.60

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Solution

The fourth proportional to 111,935.60, 168,097.80 and 59,447.60 is: 89,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,935.60 : 168,097.80 = 59,447.60 : x
  2. Step 2: Convert to fraction form
    111,935.60/168,097.80 = 59,447.60/x
  3. Step 3: Cross multiply
    111,935.60x = 168,097.80 × 59,447.60
  4. Step 4: Simplify right side
    111,935.60x = 9,993,010,775.28
  5. Step 5: Solve for x
    x = 9,993,010,775.28/111,935.60
  6. Step 6: Final answer
    x = 89,274.64

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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.