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Finding the Fourth Proportional to 244,547.30, 366,930.30 and 86,888.90

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Solution

The fourth proportional to 244,547.30, 366,930.30 and 86,888.90 is: 130,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,547.30 : 366,930.30 = 86,888.90 : x
  2. Step 2: Convert to fraction form
    244,547.30/366,930.30 = 86,888.90/x
  3. Step 3: Cross multiply
    244,547.30x = 366,930.30 × 86,888.90
  4. Step 4: Simplify right side
    244,547.30x = 31,882,170,143.67
  5. Step 5: Solve for x
    x = 31,882,170,143.67/244,547.30
  6. Step 6: Final answer
    x = 130,372.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.