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Finding the Fourth Proportional to 229,866.04, 317,207.10 and 127,888.12

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Solution

The fourth proportional to 229,866.04, 317,207.10 and 127,888.12 is: 176,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,866.04 : 317,207.10 = 127,888.12 : x
  2. Step 2: Convert to fraction form
    229,866.04/317,207.10 = 127,888.12/x
  3. Step 3: Cross multiply
    229,866.04x = 317,207.10 × 127,888.12
  4. Step 4: Simplify right side
    229,866.04x = 40,567,019,669.65
  5. Step 5: Solve for x
    x = 40,567,019,669.65/229,866.04
  6. Step 6: Final answer
    x = 176,481.14

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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.