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Finding the Fourth Proportional to 104,667.69, 157,021.02 and 48,470.70

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Solution

The fourth proportional to 104,667.69, 157,021.02 and 48,470.70 is: 72,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,667.69 : 157,021.02 = 48,470.70 : x
  2. Step 2: Convert to fraction form
    104,667.69/157,021.02 = 48,470.70/x
  3. Step 3: Cross multiply
    104,667.69x = 157,021.02 × 48,470.70
  4. Step 4: Simplify right side
    104,667.69x = 7,610,918,754.11
  5. Step 5: Solve for x
    x = 7,610,918,754.11/104,667.69
  6. Step 6: Final answer
    x = 72,715.07

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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.