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Finding the Fourth Proportional to 185,082.17, 255,430.64 and 112,468.31

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Solution

The fourth proportional to 185,082.17, 255,430.64 and 112,468.31 is: 155,216.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,082.17 : 255,430.64 = 112,468.31 : x
  2. Step 2: Convert to fraction form
    185,082.17/255,430.64 = 112,468.31/x
  3. Step 3: Cross multiply
    185,082.17x = 255,430.64 × 112,468.31
  4. Step 4: Simplify right side
    185,082.17x = 28,727,850,563.52
  5. Step 5: Solve for x
    x = 28,727,850,563.52/185,082.17
  6. Step 6: Final answer
    x = 155,216.74

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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.