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Finding the Fourth Proportional to 294,687.18, 406,671.03 and 160,551.18

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Solution

The fourth proportional to 294,687.18, 406,671.03 and 160,551.18 is: 221,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,687.18 : 406,671.03 = 160,551.18 : x
  2. Step 2: Convert to fraction form
    294,687.18/406,671.03 = 160,551.18/x
  3. Step 3: Cross multiply
    294,687.18x = 406,671.03 × 160,551.18
  4. Step 4: Simplify right side
    294,687.18x = 65,291,513,738.32
  5. Step 5: Solve for x
    x = 65,291,513,738.32/294,687.18
  6. Step 6: Final answer
    x = 221,562.11

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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.