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Finding the Fourth Proportional to 181,851.74, 250,963.18 and 101,279.25

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Solution

The fourth proportional to 181,851.74, 250,963.18 and 101,279.25 is: 139,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,851.74 : 250,963.18 = 101,279.25 : x
  2. Step 2: Convert to fraction form
    181,851.74/250,963.18 = 101,279.25/x
  3. Step 3: Cross multiply
    181,851.74x = 250,963.18 × 101,279.25
  4. Step 4: Simplify right side
    181,851.74x = 25,417,362,394.82
  5. Step 5: Solve for x
    x = 25,417,362,394.82/181,851.74
  6. Step 6: Final answer
    x = 139,769.69

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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.