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Finding the Fourth Proportional to 227,913.13, 314,520.12 and 127,311.13

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Solution

The fourth proportional to 227,913.13, 314,520.12 and 127,311.13 is: 175,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,913.13 : 314,520.12 = 127,311.13 : x
  2. Step 2: Convert to fraction form
    227,913.13/314,520.12 = 127,311.13/x
  3. Step 3: Cross multiply
    227,913.13x = 314,520.12 × 127,311.13
  4. Step 4: Simplify right side
    227,913.13x = 40,041,911,884.94
  5. Step 5: Solve for x
    x = 40,041,911,884.94/227,913.13
  6. Step 6: Final answer
    x = 175,689.36

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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.