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Finding the Fourth Proportional to 98,726.06, 136,245.09 and 54,014.06

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Solution

The fourth proportional to 98,726.06, 136,245.09 and 54,014.06 is: 74,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,726.06 : 136,245.09 = 54,014.06 : x
  2. Step 2: Convert to fraction form
    98,726.06/136,245.09 = 54,014.06/x
  3. Step 3: Cross multiply
    98,726.06x = 136,245.09 × 54,014.06
  4. Step 4: Simplify right side
    98,726.06x = 7,359,150,465.97
  5. Step 5: Solve for x
    x = 7,359,150,465.97/98,726.06
  6. Step 6: Final answer
    x = 74,541.11

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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.