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Finding the Fourth Proportional to 249,234.45, 343,939.08 and 141,802.17

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Solution

The fourth proportional to 249,234.45, 343,939.08 and 141,802.17 is: 195,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,234.45 : 343,939.08 = 141,802.17 : x
  2. Step 2: Convert to fraction form
    249,234.45/343,939.08 = 141,802.17/x
  3. Step 3: Cross multiply
    249,234.45x = 343,939.08 × 141,802.17
  4. Step 4: Simplify right side
    249,234.45x = 48,771,307,891.80
  5. Step 5: Solve for x
    x = 48,771,307,891.80/249,234.45
  6. Step 6: Final answer
    x = 195,684.46

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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.