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Finding the Fourth Proportional to 229,614.50, 316,866.30 and 127,649.27

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Solution

The fourth proportional to 229,614.50, 316,866.30 and 127,649.27 is: 176,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,614.50 : 316,866.30 = 127,649.27 : x
  2. Step 2: Convert to fraction form
    229,614.50/316,866.30 = 127,649.27/x
  3. Step 3: Cross multiply
    229,614.50x = 316,866.30 × 127,649.27
  4. Step 4: Simplify right side
    229,614.50x = 40,447,751,490.75
  5. Step 5: Solve for x
    x = 40,447,751,490.75/229,614.50
  6. Step 6: Final answer
    x = 176,155.04

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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.