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Finding the Fourth Proportional to 95,594.40, 143,326.80 and 36,421.20

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Solution

The fourth proportional to 95,594.40, 143,326.80 and 36,421.20 is: 54,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,594.40 : 143,326.80 = 36,421.20 : x
  2. Step 2: Convert to fraction form
    95,594.40/143,326.80 = 36,421.20/x
  3. Step 3: Cross multiply
    95,594.40x = 143,326.80 × 36,421.20
  4. Step 4: Simplify right side
    95,594.40x = 5,220,134,048.16
  5. Step 5: Solve for x
    x = 5,220,134,048.16/95,594.40
  6. Step 6: Final answer
    x = 54,607.11

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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.