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Finding the Fourth Proportional to 73,848.30, 110,772.45 and 69,960.30

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Solution

The fourth proportional to 73,848.30, 110,772.45 and 69,960.30 is: 104,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,848.30 : 110,772.45 = 69,960.30 : x
  2. Step 2: Convert to fraction form
    73,848.30/110,772.45 = 69,960.30/x
  3. Step 3: Cross multiply
    73,848.30x = 110,772.45 × 69,960.30
  4. Step 4: Simplify right side
    73,848.30x = 7,749,673,833.74
  5. Step 5: Solve for x
    x = 7,749,673,833.74/73,848.30
  6. Step 6: Final answer
    x = 104,940.45

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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.