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Finding the Fourth Proportional to 99,171.58, 136,853.03 and 53,848.58

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Solution

The fourth proportional to 99,171.58, 136,853.03 and 53,848.58 is: 74,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,171.58 : 136,853.03 = 53,848.58 : x
  2. Step 2: Convert to fraction form
    99,171.58/136,853.03 = 53,848.58/x
  3. Step 3: Cross multiply
    99,171.58x = 136,853.03 × 53,848.58
  4. Step 4: Simplify right side
    99,171.58x = 7,369,340,649.93
  5. Step 5: Solve for x
    x = 7,369,340,649.93/99,171.58
  6. Step 6: Final answer
    x = 74,309.00

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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.