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Finding the Fourth Proportional to 124,459.93, 171,750.14 and 67,870.09

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Solution

The fourth proportional to 124,459.93, 171,750.14 and 67,870.09 is: 93,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,459.93 : 171,750.14 = 67,870.09 : x
  2. Step 2: Convert to fraction form
    124,459.93/171,750.14 = 67,870.09/x
  3. Step 3: Cross multiply
    124,459.93x = 171,750.14 × 67,870.09
  4. Step 4: Simplify right side
    124,459.93x = 11,656,697,119.96
  5. Step 5: Solve for x
    x = 11,656,697,119.96/124,459.93
  6. Step 6: Final answer
    x = 93,658.23

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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.