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Finding the Fourth Proportional to 249,897.68, 344,863.86 and 136,722.86

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Solution

The fourth proportional to 249,897.68, 344,863.86 and 136,722.86 is: 188,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,897.68 : 344,863.86 = 136,722.86 : x
  2. Step 2: Convert to fraction form
    249,897.68/344,863.86 = 136,722.86/x
  3. Step 3: Cross multiply
    249,897.68x = 344,863.86 × 136,722.86
  4. Step 4: Simplify right side
    249,897.68x = 47,150,773,249.84
  5. Step 5: Solve for x
    x = 47,150,773,249.84/249,897.68
  6. Step 6: Final answer
    x = 188,680.32

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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.