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Finding the Fourth Proportional to 106,883.56, 147,463.49 and 61,560.64

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Solution

The fourth proportional to 106,883.56, 147,463.49 and 61,560.64 is: 84,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,883.56 : 147,463.49 = 61,560.64 : x
  2. Step 2: Convert to fraction form
    106,883.56/147,463.49 = 61,560.64/x
  3. Step 3: Cross multiply
    106,883.56x = 147,463.49 × 61,560.64
  4. Step 4: Simplify right side
    106,883.56x = 9,077,946,821.03
  5. Step 5: Solve for x
    x = 9,077,946,821.03/106,883.56
  6. Step 6: Final answer
    x = 84,933.05

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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.