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Finding the Fourth Proportional to 152,854.92, 211,042.68 and 116,980.92

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Solution

The fourth proportional to 152,854.92, 211,042.68 and 116,980.92 is: 161,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,854.92 : 211,042.68 = 116,980.92 : x
  2. Step 2: Convert to fraction form
    152,854.92/211,042.68 = 116,980.92/x
  3. Step 3: Cross multiply
    152,854.92x = 211,042.68 × 116,980.92
  4. Step 4: Simplify right side
    152,854.92x = 24,687,966,865.67
  5. Step 5: Solve for x
    x = 24,687,966,865.67/152,854.92
  6. Step 6: Final answer
    x = 161,512.41

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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.