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Finding the Fourth Proportional to 378,765.24, 568,225.62 and 112,502.04

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Solution

The fourth proportional to 378,765.24, 568,225.62 and 112,502.04 is: 168,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,765.24 : 568,225.62 = 112,502.04 : x
  2. Step 2: Convert to fraction form
    378,765.24/568,225.62 = 112,502.04/x
  3. Step 3: Cross multiply
    378,765.24x = 568,225.62 × 112,502.04
  4. Step 4: Simplify right side
    378,765.24x = 63,926,541,430.26
  5. Step 5: Solve for x
    x = 63,926,541,430.26/378,765.24
  6. Step 6: Final answer
    x = 168,776.16

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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.