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Finding the Fourth Proportional to 245,225.48, 367,830.88 and 67,743.12

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Solution

The fourth proportional to 245,225.48, 367,830.88 and 67,743.12 is: 101,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,225.48 : 367,830.88 = 67,743.12 : x
  2. Step 2: Convert to fraction form
    245,225.48/367,830.88 = 67,743.12/x
  3. Step 3: Cross multiply
    245,225.48x = 367,830.88 × 67,743.12
  4. Step 4: Simplify right side
    245,225.48x = 24,918,011,443.55
  5. Step 5: Solve for x
    x = 24,918,011,443.55/245,225.48
  6. Step 6: Final answer
    x = 101,612.65

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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.