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Finding the Fourth Proportional to 124,596.76, 171,949.14 and 70,167.64

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Solution

The fourth proportional to 124,596.76, 171,949.14 and 70,167.64 is: 96,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,596.76 : 171,949.14 = 70,167.64 : x
  2. Step 2: Convert to fraction form
    124,596.76/171,949.14 = 70,167.64/x
  3. Step 3: Cross multiply
    124,596.76x = 171,949.14 × 70,167.64
  4. Step 4: Simplify right side
    124,596.76x = 12,065,265,353.83
  5. Step 5: Solve for x
    x = 12,065,265,353.83/124,596.76
  6. Step 6: Final answer
    x = 96,834.50

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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.