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Finding the Fourth Proportional to 185,892.36, 256,530.98 and 101,009.43

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Solution

The fourth proportional to 185,892.36, 256,530.98 and 101,009.43 is: 139,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,892.36 : 256,530.98 = 101,009.43 : x
  2. Step 2: Convert to fraction form
    185,892.36/256,530.98 = 101,009.43/x
  3. Step 3: Cross multiply
    185,892.36x = 256,530.98 × 101,009.43
  4. Step 4: Simplify right side
    185,892.36x = 25,912,047,562.09
  5. Step 5: Solve for x
    x = 25,912,047,562.09/185,892.36
  6. Step 6: Final answer
    x = 139,392.75

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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.