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Finding the Fourth Proportional to 134,248, 201,415.92 and 40,753.84

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Solution

The fourth proportional to 134,248, 201,415.92 and 40,753.84 is: 61,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,248 : 201,415.92 = 40,753.84 : x
  2. Step 2: Convert to fraction form
    134,248/201,415.92 = 40,753.84/x
  3. Step 3: Cross multiply
    134,248x = 201,415.92 × 40,753.84
  4. Step 4: Simplify right side
    134,248x = 8,208,472,177.13
  5. Step 5: Solve for x
    x = 8,208,472,177.13/134,248
  6. Step 6: Final answer
    x = 61,144.09

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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.