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Finding the Fourth Proportional to 92,743.59, 139,114.95 and 33,565.40

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Solution

The fourth proportional to 92,743.59, 139,114.95 and 33,565.40 is: 50,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,743.59 : 139,114.95 = 33,565.40 : x
  2. Step 2: Convert to fraction form
    92,743.59/139,114.95 = 33,565.40/x
  3. Step 3: Cross multiply
    92,743.59x = 139,114.95 × 33,565.40
  4. Step 4: Simplify right side
    92,743.59x = 4,669,448,247.16
  5. Step 5: Solve for x
    x = 4,669,448,247.16/92,743.59
  6. Step 6: Final answer
    x = 50,347.94

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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.