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Finding the Fourth Proportional to 185,615.60, 256,150.22 and 100,732.68

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Solution

The fourth proportional to 185,615.60, 256,150.22 and 100,732.68 is: 139,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615.60 : 256,150.22 = 100,732.68 : x
  2. Step 2: Convert to fraction form
    185,615.60/256,150.22 = 100,732.68/x
  3. Step 3: Cross multiply
    185,615.60x = 256,150.22 × 100,732.68
  4. Step 4: Simplify right side
    185,615.60x = 25,802,697,639.53
  5. Step 5: Solve for x
    x = 25,802,697,639.53/185,615.60
  6. Step 6: Final answer
    x = 139,011.47

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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.