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Finding the Fourth Proportional to 117,597.58, 162,281.90 and 63,881.40

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Solution

The fourth proportional to 117,597.58, 162,281.90 and 63,881.40 is: 88,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,597.58 : 162,281.90 = 63,881.40 : x
  2. Step 2: Convert to fraction form
    117,597.58/162,281.90 = 63,881.40/x
  3. Step 3: Cross multiply
    117,597.58x = 162,281.90 × 63,881.40
  4. Step 4: Simplify right side
    117,597.58x = 10,366,794,966.66
  5. Step 5: Solve for x
    x = 10,366,794,966.66/117,597.58
  6. Step 6: Final answer
    x = 88,154.83

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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.