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Finding the Fourth Proportional to 249,095.57, 373,842.61 and 130,836.65

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Solution

The fourth proportional to 249,095.57, 373,842.61 and 130,836.65 is: 196,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,095.57 : 373,842.61 = 130,836.65 : x
  2. Step 2: Convert to fraction form
    249,095.57/373,842.61 = 130,836.65/x
  3. Step 3: Cross multiply
    249,095.57x = 373,842.61 × 130,836.65
  4. Step 4: Simplify right side
    249,095.57x = 48,912,312,523.35
  5. Step 5: Solve for x
    x = 48,912,312,523.35/249,095.57
  6. Step 6: Final answer
    x = 196,359.63

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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.