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Finding the Fourth Proportional to 142,873.75, 214,319.53 and 37,692.82

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Solution

The fourth proportional to 142,873.75, 214,319.53 and 37,692.82 is: 56,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,873.75 : 214,319.53 = 37,692.82 : x
  2. Step 2: Convert to fraction form
    142,873.75/214,319.53 = 37,692.82/x
  3. Step 3: Cross multiply
    142,873.75x = 214,319.53 × 37,692.82
  4. Step 4: Simplify right side
    142,873.75x = 8,078,306,820.58
  5. Step 5: Solve for x
    x = 8,078,306,820.58/142,873.75
  6. Step 6: Final answer
    x = 56,541.58

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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.