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Finding the Fourth Proportional to 116,615.60, 160,765.24 and 98,637.92

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Solution

The fourth proportional to 116,615.60, 160,765.24 and 98,637.92 is: 135,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,615.60 : 160,765.24 = 98,637.92 : x
  2. Step 2: Convert to fraction form
    116,615.60/160,765.24 = 98,637.92/x
  3. Step 3: Cross multiply
    116,615.60x = 160,765.24 × 98,637.92
  4. Step 4: Simplify right side
    116,615.60x = 15,857,548,881.90
  5. Step 5: Solve for x
    x = 15,857,548,881.90/116,615.60
  6. Step 6: Final answer
    x = 135,981.37

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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.