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Finding the Fourth Proportional to 169,383.47, 253,994.77 and 98,327.89

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Solution

The fourth proportional to 169,383.47, 253,994.77 and 98,327.89 is: 147,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,383.47 : 253,994.77 = 98,327.89 : x
  2. Step 2: Convert to fraction form
    169,383.47/253,994.77 = 98,327.89/x
  3. Step 3: Cross multiply
    169,383.47x = 253,994.77 × 98,327.89
  4. Step 4: Simplify right side
    169,383.47x = 24,974,768,043.52
  5. Step 5: Solve for x
    x = 24,974,768,043.52/169,383.47
  6. Step 6: Final answer
    x = 147,445.13

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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.