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Finding the Fourth Proportional to 147,791.95, 220,878.13 and 107,894.96

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Solution

The fourth proportional to 147,791.95, 220,878.13 and 107,894.96 is: 161,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,791.95 : 220,878.13 = 107,894.96 : x
  2. Step 2: Convert to fraction form
    147,791.95/220,878.13 = 107,894.96/x
  3. Step 3: Cross multiply
    147,791.95x = 220,878.13 × 107,894.96
  4. Step 4: Simplify right side
    147,791.95x = 23,831,637,001.22
  5. Step 5: Solve for x
    x = 23,831,637,001.22/147,791.95
  6. Step 6: Final answer
    x = 161,251.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.