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Finding the Fourth Proportional to 185,892.30, 256,530.84 and 101,009.34

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Solution

The fourth proportional to 185,892.30, 256,530.84 and 101,009.34 is: 139,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,892.30 : 256,530.84 = 101,009.34 : x
  2. Step 2: Convert to fraction form
    185,892.30/256,530.84 = 101,009.34/x
  3. Step 3: Cross multiply
    185,892.30x = 256,530.84 × 101,009.34
  4. Step 4: Simplify right side
    185,892.30x = 25,912,010,838.05
  5. Step 5: Solve for x
    x = 25,912,010,838.05/185,892.30
  6. Step 6: Final answer
    x = 139,392.60

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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.