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Finding the Fourth Proportional to 343,111.80, 514,667.70 and 93,793.80

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Solution

The fourth proportional to 343,111.80, 514,667.70 and 93,793.80 is: 140,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,111.80 : 514,667.70 = 93,793.80 : x
  2. Step 2: Convert to fraction form
    343,111.80/514,667.70 = 93,793.80/x
  3. Step 3: Cross multiply
    343,111.80x = 514,667.70 × 93,793.80
  4. Step 4: Simplify right side
    343,111.80x = 48,272,639,320.26
  5. Step 5: Solve for x
    x = 48,272,639,320.26/343,111.80
  6. Step 6: Final answer
    x = 140,690.70

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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.