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Finding the Fourth Proportional to 101,737.80, 152,575.48 and 70,349.56

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Solution

The fourth proportional to 101,737.80, 152,575.48 and 70,349.56 is: 105,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,737.80 : 152,575.48 = 70,349.56 : x
  2. Step 2: Convert to fraction form
    101,737.80/152,575.48 = 70,349.56/x
  3. Step 3: Cross multiply
    101,737.80x = 152,575.48 × 70,349.56
  4. Step 4: Simplify right side
    101,737.80x = 10,733,617,884.79
  5. Step 5: Solve for x
    x = 10,733,617,884.79/101,737.80
  6. Step 6: Final answer
    x = 105,502.75

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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.