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Finding the Fourth Proportional to 229,750.50, 317,066.22 and 127,786.26

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Solution

The fourth proportional to 229,750.50, 317,066.22 and 127,786.26 is: 176,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,750.50 : 317,066.22 = 127,786.26 : x
  2. Step 2: Convert to fraction form
    229,750.50/317,066.22 = 127,786.26/x
  3. Step 3: Cross multiply
    229,750.50x = 317,066.22 × 127,786.26
  4. Step 4: Simplify right side
    229,750.50x = 40,516,706,426.14
  5. Step 5: Solve for x
    x = 40,516,706,426.14/229,750.50
  6. Step 6: Final answer
    x = 176,350.90

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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.