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Finding the Fourth Proportional to 249,366.82, 344,128.40 and 141,943.76

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Solution

The fourth proportional to 249,366.82, 344,128.40 and 141,943.76 is: 195,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,366.82 : 344,128.40 = 141,943.76 : x
  2. Step 2: Convert to fraction form
    249,366.82/344,128.40 = 141,943.76/x
  3. Step 3: Cross multiply
    249,366.82x = 344,128.40 × 141,943.76
  4. Step 4: Simplify right side
    249,366.82x = 48,846,879,018.78
  5. Step 5: Solve for x
    x = 48,846,879,018.78/249,366.82
  6. Step 6: Final answer
    x = 195,883.63

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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.