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Finding the Fourth Proportional to 83,433.70, 125,095.20 and 46,011.70

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Solution

The fourth proportional to 83,433.70, 125,095.20 and 46,011.70 is: 68,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,433.70 : 125,095.20 = 46,011.70 : x
  2. Step 2: Convert to fraction form
    83,433.70/125,095.20 = 46,011.70/x
  3. Step 3: Cross multiply
    83,433.70x = 125,095.20 × 46,011.70
  4. Step 4: Simplify right side
    83,433.70x = 5,755,842,813.84
  5. Step 5: Solve for x
    x = 5,755,842,813.84/83,433.70
  6. Step 6: Final answer
    x = 68,987.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.