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Finding the Fourth Proportional to 132,703.95, 199,444.73 and 130,371.15

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Solution

The fourth proportional to 132,703.95, 199,444.73 and 130,371.15 is: 195,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,703.95 : 199,444.73 = 130,371.15 : x
  2. Step 2: Convert to fraction form
    132,703.95/199,444.73 = 130,371.15/x
  3. Step 3: Cross multiply
    132,703.95x = 199,444.73 × 130,371.15
  4. Step 4: Simplify right side
    132,703.95x = 26,001,838,159.68
  5. Step 5: Solve for x
    x = 26,001,838,159.68/132,703.95
  6. Step 6: Final answer
    x = 195,938.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.