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Finding the Fourth Proportional to 117,011.88, 175,358.73 and 49,487.76

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Solution

The fourth proportional to 117,011.88, 175,358.73 and 49,487.76 is: 74,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,011.88 : 175,358.73 = 49,487.76 : x
  2. Step 2: Convert to fraction form
    117,011.88/175,358.73 = 49,487.76/x
  3. Step 3: Cross multiply
    117,011.88x = 175,358.73 × 49,487.76
  4. Step 4: Simplify right side
    117,011.88x = 8,678,110,744.14
  5. Step 5: Solve for x
    x = 8,678,110,744.14/117,011.88
  6. Step 6: Final answer
    x = 74,164.36

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1.5x scale

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.