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Finding the Fourth Proportional to 342,203.13, 513,304.70 and 92,885.13

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Solution

The fourth proportional to 342,203.13, 513,304.70 and 92,885.13 is: 139,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,203.13 : 513,304.70 = 92,885.13 : x
  2. Step 2: Convert to fraction form
    342,203.13/513,304.70 = 92,885.13/x
  3. Step 3: Cross multiply
    342,203.13x = 513,304.70 × 92,885.13
  4. Step 4: Simplify right side
    342,203.13x = 47,678,373,789.11
  5. Step 5: Solve for x
    x = 47,678,373,789.11/342,203.13
  6. Step 6: Final answer
    x = 139,327.70

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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.