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Finding the Fourth Proportional to 361,809.98, 542,741.10 and 95,567.03

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Solution

The fourth proportional to 361,809.98, 542,741.10 and 95,567.03 is: 143,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,809.98 : 542,741.10 = 95,567.03 : x
  2. Step 2: Convert to fraction form
    361,809.98/542,741.10 = 95,567.03/x
  3. Step 3: Cross multiply
    361,809.98x = 542,741.10 × 95,567.03
  4. Step 4: Simplify right side
    361,809.98x = 51,868,154,985.93
  5. Step 5: Solve for x
    x = 51,868,154,985.93/361,809.98
  6. Step 6: Final answer
    x = 143,357.45

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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.