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Finding the Fourth Proportional to 95,030.40, 142,448.40 and 55,567.20

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Solution

The fourth proportional to 95,030.40, 142,448.40 and 55,567.20 is: 83,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,030.40 : 142,448.40 = 55,567.20 : x
  2. Step 2: Convert to fraction form
    95,030.40/142,448.40 = 55,567.20/x
  3. Step 3: Cross multiply
    95,030.40x = 142,448.40 × 55,567.20
  4. Step 4: Simplify right side
    95,030.40x = 7,915,458,732.48
  5. Step 5: Solve for x
    x = 7,915,458,732.48/95,030.40
  6. Step 6: Final answer
    x = 83,293.96

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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.