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Finding the Fourth Proportional to 185,800.44, 256,405.02 and 100,915.68

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Solution

The fourth proportional to 185,800.44, 256,405.02 and 100,915.68 is: 139,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,800.44 : 256,405.02 = 100,915.68 : x
  2. Step 2: Convert to fraction form
    185,800.44/256,405.02 = 100,915.68/x
  3. Step 3: Cross multiply
    185,800.44x = 256,405.02 × 100,915.68
  4. Step 4: Simplify right side
    185,800.44x = 25,875,286,948.71
  5. Step 5: Solve for x
    x = 25,875,286,948.71/185,800.44
  6. Step 6: Final answer
    x = 139,263.86

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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.