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Finding the Fourth Proportional to 110,731.62, 152,809.83 and 60,430.62

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Solution

The fourth proportional to 110,731.62, 152,809.83 and 60,430.62 is: 83,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,731.62 : 152,809.83 = 60,430.62 : x
  2. Step 2: Convert to fraction form
    110,731.62/152,809.83 = 60,430.62/x
  3. Step 3: Cross multiply
    110,731.62x = 152,809.83 × 60,430.62
  4. Step 4: Simplify right side
    110,731.62x = 9,234,392,768.99
  5. Step 5: Solve for x
    x = 9,234,392,768.99/110,731.62
  6. Step 6: Final answer
    x = 83,394.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.