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Finding the Fourth Proportional to 101,487.72, 152,124.63 and 48,785.88

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Solution

The fourth proportional to 101,487.72, 152,124.63 and 48,785.88 is: 73,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,487.72 : 152,124.63 = 48,785.88 : x
  2. Step 2: Convert to fraction form
    101,487.72/152,124.63 = 48,785.88/x
  3. Step 3: Cross multiply
    101,487.72x = 152,124.63 × 48,785.88
  4. Step 4: Simplify right side
    101,487.72x = 7,421,533,944.22
  5. Step 5: Solve for x
    x = 7,421,533,944.22/101,487.72
  6. Step 6: Final answer
    x = 73,127.41

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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.