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Finding the Fourth Proportional to 111,646.85, 167,275.27 and 93,046.42

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Solution

The fourth proportional to 111,646.85, 167,275.27 and 93,046.42 is: 139,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,646.85 : 167,275.27 = 93,046.42 : x
  2. Step 2: Convert to fraction form
    111,646.85/167,275.27 = 93,046.42/x
  3. Step 3: Cross multiply
    111,646.85x = 167,275.27 × 93,046.42
  4. Step 4: Simplify right side
    111,646.85x = 15,564,364,191.66
  5. Step 5: Solve for x
    x = 15,564,364,191.66/111,646.85
  6. Step 6: Final answer
    x = 139,407.11

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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.