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Finding the Fourth Proportional to 249,757.66, 344,665.38 and 136,580.38

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Solution

The fourth proportional to 249,757.66, 344,665.38 and 136,580.38 is: 188,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,757.66 : 344,665.38 = 136,580.38 : x
  2. Step 2: Convert to fraction form
    249,757.66/344,665.38 = 136,580.38/x
  3. Step 3: Cross multiply
    249,757.66x = 344,665.38 × 136,580.38
  4. Step 4: Simplify right side
    249,757.66x = 47,074,528,573.24
  5. Step 5: Solve for x
    x = 47,074,528,573.24/249,757.66
  6. Step 6: Final answer
    x = 188,480.82

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1.5x scale

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.