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Finding the Fourth Proportional to 134,507.79, 201,663.27 and 45,737.46

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Solution

The fourth proportional to 134,507.79, 201,663.27 and 45,737.46 is: 68,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,507.79 : 201,663.27 = 45,737.46 : x
  2. Step 2: Convert to fraction form
    134,507.79/201,663.27 = 45,737.46/x
  3. Step 3: Cross multiply
    134,507.79x = 201,663.27 × 45,737.46
  4. Step 4: Simplify right side
    134,507.79x = 9,223,565,745.09
  5. Step 5: Solve for x
    x = 9,223,565,745.09/134,507.79
  6. Step 6: Final answer
    x = 68,572.73

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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.