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Finding the Fourth Proportional to 181,509.76, 250,464.29 and 100,924.28

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Solution

The fourth proportional to 181,509.76, 250,464.29 and 100,924.28 is: 139,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,509.76 : 250,464.29 = 100,924.28 : x
  2. Step 2: Convert to fraction form
    181,509.76/250,464.29 = 100,924.28/x
  3. Step 3: Cross multiply
    181,509.76x = 250,464.29 × 100,924.28
  4. Step 4: Simplify right side
    181,509.76x = 25,277,926,377.02
  5. Step 5: Solve for x
    x = 25,277,926,377.02/181,509.76
  6. Step 6: Final answer
    x = 139,264.84

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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.