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Finding the Fourth Proportional to 249,497.52, 344,302.56 and 136,317.84

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Solution

The fourth proportional to 249,497.52, 344,302.56 and 136,317.84 is: 188,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,497.52 : 344,302.56 = 136,317.84 : x
  2. Step 2: Convert to fraction form
    249,497.52/344,302.56 = 136,317.84/x
  3. Step 3: Cross multiply
    249,497.52x = 344,302.56 × 136,317.84
  4. Step 4: Simplify right side
    249,497.52x = 46,934,581,285.67
  5. Step 5: Solve for x
    x = 46,934,581,285.67/249,497.52
  6. Step 6: Final answer
    x = 188,116.42

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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.