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Finding the Fourth Proportional to 249,207.65, 343,894.54 and 141,767.57

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Solution

The fourth proportional to 249,207.65, 343,894.54 and 141,767.57 is: 195,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,207.65 : 343,894.54 = 141,767.57 : x
  2. Step 2: Convert to fraction form
    249,207.65/343,894.54 = 141,767.57/x
  3. Step 3: Cross multiply
    249,207.65x = 343,894.54 × 141,767.57
  4. Step 4: Simplify right side
    249,207.65x = 48,753,093,272.07
  5. Step 5: Solve for x
    x = 48,753,093,272.07/249,207.65
  6. Step 6: Final answer
    x = 195,632.41

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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.