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Finding the Fourth Proportional to 132,655.47, 183,055.29 and 75,295.96

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Solution

The fourth proportional to 132,655.47, 183,055.29 and 75,295.96 is: 103,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,655.47 : 183,055.29 = 75,295.96 : x
  2. Step 2: Convert to fraction form
    132,655.47/183,055.29 = 75,295.96/x
  3. Step 3: Cross multiply
    132,655.47x = 183,055.29 × 75,295.96
  4. Step 4: Simplify right side
    132,655.47x = 13,783,323,793.63
  5. Step 5: Solve for x
    x = 13,783,323,793.63/132,655.47
  6. Step 6: Final answer
    x = 103,903.17

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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.