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Finding the Fourth Proportional to 185,150.90, 255,506.16 and 108,656.32

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Solution

The fourth proportional to 185,150.90, 255,506.16 and 108,656.32 is: 149,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,150.90 : 255,506.16 = 108,656.32 : x
  2. Step 2: Convert to fraction form
    185,150.90/255,506.16 = 108,656.32/x
  3. Step 3: Cross multiply
    185,150.90x = 255,506.16 × 108,656.32
  4. Step 4: Simplify right side
    185,150.90x = 27,762,359,082.93
  5. Step 5: Solve for x
    x = 27,762,359,082.93/185,150.90
  6. Step 6: Final answer
    x = 149,944.50

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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.