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Finding the Fourth Proportional to 227,737.42, 314,277.60 and 127,135.42

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Solution

The fourth proportional to 227,737.42, 314,277.60 and 127,135.42 is: 175,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,737.42 : 314,277.60 = 127,135.42 : x
  2. Step 2: Convert to fraction form
    227,737.42/314,277.60 = 127,135.42/x
  3. Step 3: Cross multiply
    227,737.42x = 314,277.60 × 127,135.42
  4. Step 4: Simplify right side
    227,737.42x = 39,955,814,672.59
  5. Step 5: Solve for x
    x = 39,955,814,672.59/227,737.42
  6. Step 6: Final answer
    x = 175,446.86

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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.