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Finding the Fourth Proportional to 245,172.90, 367,752.03 and 67,690.74

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Solution

The fourth proportional to 245,172.90, 367,752.03 and 67,690.74 is: 101,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,172.90 : 367,752.03 = 67,690.74 : x
  2. Step 2: Convert to fraction form
    245,172.90/367,752.03 = 67,690.74/x
  3. Step 3: Cross multiply
    245,172.90x = 367,752.03 × 67,690.74
  4. Step 4: Simplify right side
    245,172.90x = 24,893,407,047.20
  5. Step 5: Solve for x
    x = 24,893,407,047.20/245,172.90
  6. Step 6: Final answer
    x = 101,534.09

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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.