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Finding the Fourth Proportional to 132,677, 183,091.64 and 72,248.36

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Solution

The fourth proportional to 132,677, 183,091.64 and 72,248.36 is: 99,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,677 : 183,091.64 = 72,248.36 : x
  2. Step 2: Convert to fraction form
    132,677/183,091.64 = 72,248.36/x
  3. Step 3: Cross multiply
    132,677x = 183,091.64 × 72,248.36
  4. Step 4: Simplify right side
    132,677x = 13,228,070,719.71
  5. Step 5: Solve for x
    x = 13,228,070,719.71/132,677
  6. Step 6: Final answer
    x = 99,701.31

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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.