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Finding the Fourth Proportional to 245,184.30, 367,776.45 and 87,355.80

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Solution

The fourth proportional to 245,184.30, 367,776.45 and 87,355.80 is: 131,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,184.30 : 367,776.45 = 87,355.80 : x
  2. Step 2: Convert to fraction form
    245,184.30/367,776.45 = 87,355.80/x
  3. Step 3: Cross multiply
    245,184.30x = 367,776.45 × 87,355.80
  4. Step 4: Simplify right side
    245,184.30x = 32,127,406,010.91
  5. Step 5: Solve for x
    x = 32,127,406,010.91/245,184.30
  6. Step 6: Final answer
    x = 131,033.70

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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.