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Finding the Fourth Proportional to 185,833.98, 256,438.14 and 100,949.22

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Solution

The fourth proportional to 185,833.98, 256,438.14 and 100,949.22 is: 139,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,833.98 : 256,438.14 = 100,949.22 : x
  2. Step 2: Convert to fraction form
    185,833.98/256,438.14 = 100,949.22/x
  3. Step 3: Cross multiply
    185,833.98x = 256,438.14 × 100,949.22
  4. Step 4: Simplify right side
    185,833.98x = 25,887,230,211.25
  5. Step 5: Solve for x
    x = 25,887,230,211.25/185,833.98
  6. Step 6: Final answer
    x = 139,303.00

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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.