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Finding the Fourth Proportional to 361,802.30, 542,729.36 and 95,560.16

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Solution

The fourth proportional to 361,802.30, 542,729.36 and 95,560.16 is: 143,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,802.30 : 542,729.36 = 95,560.16 : x
  2. Step 2: Convert to fraction form
    361,802.30/542,729.36 = 95,560.16/x
  3. Step 3: Cross multiply
    361,802.30x = 542,729.36 × 95,560.16
  4. Step 4: Simplify right side
    361,802.30x = 51,863,302,003.55
  5. Step 5: Solve for x
    x = 51,863,302,003.55/361,802.30
  6. Step 6: Final answer
    x = 143,347.08

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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.