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Finding the Fourth Proportional to 155,798.04, 233,603.54 and 71,452.54

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Solution

The fourth proportional to 155,798.04, 233,603.54 and 71,452.54 is: 107,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,798.04 : 233,603.54 = 71,452.54 : x
  2. Step 2: Convert to fraction form
    155,798.04/233,603.54 = 71,452.54/x
  3. Step 3: Cross multiply
    155,798.04x = 233,603.54 × 71,452.54
  4. Step 4: Simplify right side
    155,798.04x = 16,691,565,344.72
  5. Step 5: Solve for x
    x = 16,691,565,344.72/155,798.04
  6. Step 6: Final answer
    x = 107,135.91

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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.