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Finding the Fourth Proportional to 249,295.70, 343,908.51 and 181,207.10

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Solution

The fourth proportional to 249,295.70, 343,908.51 and 181,207.10 is: 249,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,295.70 : 343,908.51 = 181,207.10 : x
  2. Step 2: Convert to fraction form
    249,295.70/343,908.51 = 181,207.10/x
  3. Step 3: Cross multiply
    249,295.70x = 343,908.51 × 181,207.10
  4. Step 4: Simplify right side
    249,295.70x = 62,318,663,762.42
  5. Step 5: Solve for x
    x = 62,318,663,762.42/249,295.70
  6. Step 6: Final answer
    x = 249,978.90

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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.