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Finding the Fourth Proportional to 249,237, 343,948.50 and 136,060.92

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Solution

The fourth proportional to 249,237, 343,948.50 and 136,060.92 is: 187,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,237 : 343,948.50 = 136,060.92 : x
  2. Step 2: Convert to fraction form
    249,237/343,948.50 = 136,060.92/x
  3. Step 3: Cross multiply
    249,237x = 343,948.50 × 136,060.92
  4. Step 4: Simplify right side
    249,237x = 46,797,949,342.62
  5. Step 5: Solve for x
    x = 46,797,949,342.62/249,237
  6. Step 6: Final answer
    x = 187,764.86

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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.