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Finding the Fourth Proportional to 181,468.80, 250,444.80 and 100,922.40

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Solution

The fourth proportional to 181,468.80, 250,444.80 and 100,922.40 is: 139,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,468.80 : 250,444.80 = 100,922.40 : x
  2. Step 2: Convert to fraction form
    181,468.80/250,444.80 = 100,922.40/x
  3. Step 3: Cross multiply
    181,468.80x = 250,444.80 × 100,922.40
  4. Step 4: Simplify right side
    181,468.80x = 25,275,490,283.52
  5. Step 5: Solve for x
    x = 25,275,490,283.52/181,468.80
  6. Step 6: Final answer
    x = 139,282.84

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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.