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Finding the Fourth Proportional to 141,801.72, 212,652.72 and 41,935.20

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Solution

The fourth proportional to 141,801.72, 212,652.72 and 41,935.20 is: 62,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,801.72 : 212,652.72 = 41,935.20 : x
  2. Step 2: Convert to fraction form
    141,801.72/212,652.72 = 41,935.20/x
  3. Step 3: Cross multiply
    141,801.72x = 212,652.72 × 41,935.20
  4. Step 4: Simplify right side
    141,801.72x = 8,917,634,343.74
  5. Step 5: Solve for x
    x = 8,917,634,343.74/141,801.72
  6. Step 6: Final answer
    x = 62,888.05

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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.