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Finding the Fourth Proportional to 110,361.49, 152,288.31 and 61,952.32

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Solution

The fourth proportional to 110,361.49, 152,288.31 and 61,952.32 is: 85,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,361.49 : 152,288.31 = 61,952.32 : x
  2. Step 2: Convert to fraction form
    110,361.49/152,288.31 = 61,952.32/x
  3. Step 3: Cross multiply
    110,361.49x = 152,288.31 × 61,952.32
  4. Step 4: Simplify right side
    110,361.49x = 9,434,614,113.38
  5. Step 5: Solve for x
    x = 9,434,614,113.38/110,361.49
  6. Step 6: Final answer
    x = 85,488.28

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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.