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Finding the Fourth Proportional to 229,338.74, 316,458.80 and 127,350.33

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Solution

The fourth proportional to 229,338.74, 316,458.80 and 127,350.33 is: 175,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,338.74 : 316,458.80 = 127,350.33 : x
  2. Step 2: Convert to fraction form
    229,338.74/316,458.80 = 127,350.33/x
  3. Step 3: Cross multiply
    229,338.74x = 316,458.80 × 127,350.33
  4. Step 4: Simplify right side
    229,338.74x = 40,301,134,423.52
  5. Step 5: Solve for x
    x = 40,301,134,423.52/229,338.74
  6. Step 6: Final answer
    x = 175,727.55

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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.