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Finding the Fourth Proportional to 181,200.56, 250,068.36 and 100,628.08

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Solution

The fourth proportional to 181,200.56, 250,068.36 and 100,628.08 is: 138,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,200.56 : 250,068.36 = 100,628.08 : x
  2. Step 2: Convert to fraction form
    181,200.56/250,068.36 = 100,628.08/x
  3. Step 3: Cross multiply
    181,200.56x = 250,068.36 × 100,628.08
  4. Step 4: Simplify right side
    181,200.56x = 25,163,898,935.55
  5. Step 5: Solve for x
    x = 25,163,898,935.55/181,200.56
  6. Step 6: Final answer
    x = 138,873.19

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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.