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Finding the Fourth Proportional to 124,494.77, 171,801.28 and 67,904.93

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Solution

The fourth proportional to 124,494.77, 171,801.28 and 67,904.93 is: 93,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,494.77 : 171,801.28 = 67,904.93 : x
  2. Step 2: Convert to fraction form
    124,494.77/171,801.28 = 67,904.93/x
  3. Step 3: Cross multiply
    124,494.77x = 171,801.28 × 67,904.93
  4. Step 4: Simplify right side
    124,494.77x = 11,666,153,892.31
  5. Step 5: Solve for x
    x = 11,666,153,892.31/124,494.77
  6. Step 6: Final answer
    x = 93,707.98

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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.