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Finding the Fourth Proportional to 108,232.81, 149,264.56 and 67,950.32

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Solution

The fourth proportional to 108,232.81, 149,264.56 and 67,950.32 is: 93,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,232.81 : 149,264.56 = 67,950.32 : x
  2. Step 2: Convert to fraction form
    108,232.81/149,264.56 = 67,950.32/x
  3. Step 3: Cross multiply
    108,232.81x = 149,264.56 × 67,950.32
  4. Step 4: Simplify right side
    108,232.81x = 10,142,574,616.66
  5. Step 5: Solve for x
    x = 10,142,574,616.66/108,232.81
  6. Step 6: Final answer
    x = 93,710.72

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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.