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Finding the Fourth Proportional to 185,903.31, 256,550.36 and 101,025.84

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Solution

The fourth proportional to 185,903.31, 256,550.36 and 101,025.84 is: 139,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,903.31 : 256,550.36 = 101,025.84 : x
  2. Step 2: Convert to fraction form
    185,903.31/256,550.36 = 101,025.84/x
  3. Step 3: Cross multiply
    185,903.31x = 256,550.36 × 101,025.84
  4. Step 4: Simplify right side
    185,903.31x = 25,918,215,116.17
  5. Step 5: Solve for x
    x = 25,918,215,116.17/185,903.31
  6. Step 6: Final answer
    x = 139,417.72

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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.