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Finding the Fourth Proportional to 240,726.08, 332,147.04 and 154,730

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Solution

The fourth proportional to 240,726.08, 332,147.04 and 154,730 is: 213,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,726.08 : 332,147.04 = 154,730 : x
  2. Step 2: Convert to fraction form
    240,726.08/332,147.04 = 154,730/x
  3. Step 3: Cross multiply
    240,726.08x = 332,147.04 × 154,730
  4. Step 4: Simplify right side
    240,726.08x = 51,393,111,499.20
  5. Step 5: Solve for x
    x = 51,393,111,499.20/240,726.08
  6. Step 6: Final answer
    x = 213,492.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.