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Finding the Fourth Proportional to 229,616.50, 316,869.06 and 127,651.27

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Solution

The fourth proportional to 229,616.50, 316,869.06 and 127,651.27 is: 176,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,616.50 : 316,869.06 = 127,651.27 : x
  2. Step 2: Convert to fraction form
    229,616.50/316,869.06 = 127,651.27/x
  3. Step 3: Cross multiply
    229,616.50x = 316,869.06 × 127,651.27
  4. Step 4: Simplify right side
    229,616.50x = 40,448,737,932.71
  5. Step 5: Solve for x
    x = 40,448,737,932.71/229,616.50
  6. Step 6: Final answer
    x = 176,157.80

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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.