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Finding the Fourth Proportional to 235,315.52, 324,737.92 and 127,885.55

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Solution

The fourth proportional to 235,315.52, 324,737.92 and 127,885.55 is: 176,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,315.52 : 324,737.92 = 127,885.55 : x
  2. Step 2: Convert to fraction form
    235,315.52/324,737.92 = 127,885.55/x
  3. Step 3: Cross multiply
    235,315.52x = 324,737.92 × 127,885.55
  4. Step 4: Simplify right side
    235,315.52x = 41,529,287,505.06
  5. Step 5: Solve for x
    x = 41,529,287,505.06/235,315.52
  6. Step 6: Final answer
    x = 176,483.42

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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.