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Finding the Fourth Proportional to 185,533.70, 256,014.90 and 103,866.39

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Solution

The fourth proportional to 185,533.70, 256,014.90 and 103,866.39 is: 143,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,533.70 : 256,014.90 = 103,866.39 : x
  2. Step 2: Convert to fraction form
    185,533.70/256,014.90 = 103,866.39/x
  3. Step 3: Cross multiply
    185,533.70x = 256,014.90 × 103,866.39
  4. Step 4: Simplify right side
    185,533.70x = 26,591,343,449.21
  5. Step 5: Solve for x
    x = 26,591,343,449.21/185,533.70
  6. Step 6: Final answer
    x = 143,323.53

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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.