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Finding the Fourth Proportional to 98,927.66, 148,391.54 and 69,476.97

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Solution

The fourth proportional to 98,927.66, 148,391.54 and 69,476.97 is: 104,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,927.66 : 148,391.54 = 69,476.97 : x
  2. Step 2: Convert to fraction form
    98,927.66/148,391.54 = 69,476.97/x
  3. Step 3: Cross multiply
    98,927.66x = 148,391.54 × 69,476.97
  4. Step 4: Simplify right side
    98,927.66x = 10,309,794,598.56
  5. Step 5: Solve for x
    x = 10,309,794,598.56/98,927.66
  6. Step 6: Final answer
    x = 104,215.49

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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.