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Finding the Fourth Proportional to 67,424.90, 101,246.70 and 48,835.40

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Solution

The fourth proportional to 67,424.90, 101,246.70 and 48,835.40 is: 73,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,424.90 : 101,246.70 = 48,835.40 : x
  2. Step 2: Convert to fraction form
    67,424.90/101,246.70 = 48,835.40/x
  3. Step 3: Cross multiply
    67,424.90x = 101,246.70 × 48,835.40
  4. Step 4: Simplify right side
    67,424.90x = 4,944,423,093.18
  5. Step 5: Solve for x
    x = 4,944,423,093.18/67,424.90
  6. Step 6: Final answer
    x = 73,332.30

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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.