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Finding the Fourth Proportional to 101,345.14, 152,050.50 and 48,747.76

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Solution

The fourth proportional to 101,345.14, 152,050.50 and 48,747.76 is: 73,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,345.14 : 152,050.50 = 48,747.76 : x
  2. Step 2: Convert to fraction form
    101,345.14/152,050.50 = 48,747.76/x
  3. Step 3: Cross multiply
    101,345.14x = 152,050.50 × 48,747.76
  4. Step 4: Simplify right side
    101,345.14x = 7,412,121,281.88
  5. Step 5: Solve for x
    x = 7,412,121,281.88/101,345.14
  6. Step 6: Final answer
    x = 73,137.41

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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.