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Finding the Fourth Proportional to 170,953.28, 235,916.16 and 95,503.04

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Solution

The fourth proportional to 170,953.28, 235,916.16 and 95,503.04 is: 131,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,953.28 : 235,916.16 = 95,503.04 : x
  2. Step 2: Convert to fraction form
    170,953.28/235,916.16 = 95,503.04/x
  3. Step 3: Cross multiply
    170,953.28x = 235,916.16 × 95,503.04
  4. Step 4: Simplify right side
    170,953.28x = 22,530,710,465.13
  5. Step 5: Solve for x
    x = 22,530,710,465.13/170,953.28
  6. Step 6: Final answer
    x = 131,794.55

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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.