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Finding the Fourth Proportional to 107,646.60, 160,957.11 and 98,235.54

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Solution

The fourth proportional to 107,646.60, 160,957.11 and 98,235.54 is: 146,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,646.60 : 160,957.11 = 98,235.54 : x
  2. Step 2: Convert to fraction form
    107,646.60/160,957.11 = 98,235.54/x
  3. Step 3: Cross multiply
    107,646.60x = 160,957.11 × 98,235.54
  4. Step 4: Simplify right side
    107,646.60x = 15,811,708,617.69
  5. Step 5: Solve for x
    x = 15,811,708,617.69/107,646.60
  6. Step 6: Final answer
    x = 146,885.35

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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.