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Finding the Fourth Proportional to 161,117, 241,726.86 and 67,597.64

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Solution

The fourth proportional to 161,117, 241,726.86 and 67,597.64 is: 101,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,117 : 241,726.86 = 67,597.64 : x
  2. Step 2: Convert to fraction form
    161,117/241,726.86 = 67,597.64/x
  3. Step 3: Cross multiply
    161,117x = 241,726.86 × 67,597.64
  4. Step 4: Simplify right side
    161,117x = 16,340,165,260.61
  5. Step 5: Solve for x
    x = 16,340,165,260.61/161,117
  6. Step 6: Final answer
    x = 101,418.01

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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.