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Finding the Fourth Proportional to 229,158.72, 316,237.77 and 127,184.38

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Solution

The fourth proportional to 229,158.72, 316,237.77 and 127,184.38 is: 175,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,158.72 : 316,237.77 = 127,184.38 : x
  2. Step 2: Convert to fraction form
    229,158.72/316,237.77 = 127,184.38/x
  3. Step 3: Cross multiply
    229,158.72x = 316,237.77 × 127,184.38
  4. Step 4: Simplify right side
    229,158.72x = 40,220,503,919.44
  5. Step 5: Solve for x
    x = 40,220,503,919.44/229,158.72
  6. Step 6: Final answer
    x = 175,513.74

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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.