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Finding the Fourth Proportional to 132,587.04, 182,978.28 and 76,006.92

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Solution

The fourth proportional to 132,587.04, 182,978.28 and 76,006.92 is: 104,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,587.04 : 182,978.28 = 76,006.92 : x
  2. Step 2: Convert to fraction form
    132,587.04/182,978.28 = 76,006.92/x
  3. Step 3: Cross multiply
    132,587.04x = 182,978.28 × 76,006.92
  4. Step 4: Simplify right side
    132,587.04x = 13,907,615,489.70
  5. Step 5: Solve for x
    x = 13,907,615,489.70/132,587.04
  6. Step 6: Final answer
    x = 104,894.23

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1.5x scale

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.