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Finding the Fourth Proportional to 124,397.37, 171,659.79 and 69,957.68

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Solution

The fourth proportional to 124,397.37, 171,659.79 and 69,957.68 is: 96,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,397.37 : 171,659.79 = 69,957.68 : x
  2. Step 2: Convert to fraction form
    124,397.37/171,659.79 = 69,957.68/x
  3. Step 3: Cross multiply
    124,397.37x = 171,659.79 × 69,957.68
  4. Step 4: Simplify right side
    124,397.37x = 12,008,919,799.39
  5. Step 5: Solve for x
    x = 12,008,919,799.39/124,397.37
  6. Step 6: Final answer
    x = 96,536.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.