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Finding the Fourth Proportional to 92,939.00, 139,330.12 and 40,308.84

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Solution

The fourth proportional to 92,939.00, 139,330.12 and 40,308.84 is: 60,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,939.00 : 139,330.12 = 40,308.84 : x
  2. Step 2: Convert to fraction form
    92,939.00/139,330.12 = 40,308.84/x
  3. Step 3: Cross multiply
    92,939.00x = 139,330.12 × 40,308.84
  4. Step 4: Simplify right side
    92,939.00x = 5,616,235,312.72
  5. Step 5: Solve for x
    x = 5,616,235,312.72/92,939.00
  6. Step 6: Final answer
    x = 60,429.27

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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.