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Finding the Fourth Proportional to 171,405.60, 257,139.60 and 59,101.92

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Solution

The fourth proportional to 171,405.60, 257,139.60 and 59,101.92 is: 88,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,405.60 : 257,139.60 = 59,101.92 : x
  2. Step 2: Convert to fraction form
    171,405.60/257,139.60 = 59,101.92/x
  3. Step 3: Cross multiply
    171,405.60x = 257,139.60 × 59,101.92
  4. Step 4: Simplify right side
    171,405.60x = 15,197,444,068.03
  5. Step 5: Solve for x
    x = 15,197,444,068.03/171,405.60
  6. Step 6: Final answer
    x = 88,663.64

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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.