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Finding the Fourth Proportional to 181,440.06, 250,394.49 and 99,775.01

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Solution

The fourth proportional to 181,440.06, 250,394.49 and 99,775.01 is: 137,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,440.06 : 250,394.49 = 99,775.01 : x
  2. Step 2: Convert to fraction form
    181,440.06/250,394.49 = 99,775.01/x
  3. Step 3: Cross multiply
    181,440.06x = 250,394.49 × 99,775.01
  4. Step 4: Simplify right side
    181,440.06x = 24,983,112,743.69
  5. Step 5: Solve for x
    x = 24,983,112,743.69/181,440.06
  6. Step 6: Final answer
    x = 137,693.48

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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.