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Finding the Fourth Proportional to 185,593.40, 256,119.58 and 100,710.46

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Solution

The fourth proportional to 185,593.40, 256,119.58 and 100,710.46 is: 138,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,593.40 : 256,119.58 = 100,710.46 : x
  2. Step 2: Convert to fraction form
    185,593.40/256,119.58 = 100,710.46/x
  3. Step 3: Cross multiply
    185,593.40x = 256,119.58 × 100,710.46
  4. Step 4: Simplify right side
    185,593.40x = 25,793,920,716.81
  5. Step 5: Solve for x
    x = 25,793,920,716.81/185,593.40
  6. Step 6: Final answer
    x = 138,980.81

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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.