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Finding the Fourth Proportional to 181,225.32, 250,094.28 and 100,660.32

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Solution

The fourth proportional to 181,225.32, 250,094.28 and 100,660.32 is: 138,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,225.32 : 250,094.28 = 100,660.32 : x
  2. Step 2: Convert to fraction form
    181,225.32/250,094.28 = 100,660.32/x
  3. Step 3: Cross multiply
    181,225.32x = 250,094.28 × 100,660.32
  4. Step 4: Simplify right side
    181,225.32x = 25,174,570,254.97
  5. Step 5: Solve for x
    x = 25,174,570,254.97/181,225.32
  6. Step 6: Final answer
    x = 138,913.10

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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.