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Finding the Fourth Proportional to 122,398.86, 183,425.88 and 97,327.62

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Solution

The fourth proportional to 122,398.86, 183,425.88 and 97,327.62 is: 145,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,398.86 : 183,425.88 = 97,327.62 : x
  2. Step 2: Convert to fraction form
    122,398.86/183,425.88 = 97,327.62/x
  3. Step 3: Cross multiply
    122,398.86x = 183,425.88 × 97,327.62
  4. Step 4: Simplify right side
    122,398.86x = 17,852,404,346.81
  5. Step 5: Solve for x
    x = 17,852,404,346.81/122,398.86
  6. Step 6: Final answer
    x = 145,854.34

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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.