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Finding the Fourth Proportional to 108,952.32, 150,385.44 and 65,931.84

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Solution

The fourth proportional to 108,952.32, 150,385.44 and 65,931.84 is: 91,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,952.32 : 150,385.44 = 65,931.84 : x
  2. Step 2: Convert to fraction form
    108,952.32/150,385.44 = 65,931.84/x
  3. Step 3: Cross multiply
    108,952.32x = 150,385.44 × 65,931.84
  4. Step 4: Simplify right side
    108,952.32x = 9,915,188,768.41
  5. Step 5: Solve for x
    x = 9,915,188,768.41/108,952.32
  6. Step 6: Final answer
    x = 91,004.84

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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.