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Finding the Fourth Proportional to 142,360.88, 213,537.14 and 37,179.86

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Solution

The fourth proportional to 142,360.88, 213,537.14 and 37,179.86 is: 55,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,360.88 : 213,537.14 = 37,179.86 : x
  2. Step 2: Convert to fraction form
    142,360.88/213,537.14 = 37,179.86/x
  3. Step 3: Cross multiply
    142,360.88x = 213,537.14 × 37,179.86
  4. Step 4: Simplify right side
    142,360.88x = 7,939,280,970.00
  5. Step 5: Solve for x
    x = 7,939,280,970.00/142,360.88
  6. Step 6: Final answer
    x = 55,768.70

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1.5x scale

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.