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Finding the Fourth Proportional to 181,228.02, 250,094.64 and 100,663.02

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Solution

The fourth proportional to 181,228.02, 250,094.64 and 100,663.02 is: 138,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,228.02 : 250,094.64 = 100,663.02 : x
  2. Step 2: Convert to fraction form
    181,228.02/250,094.64 = 100,663.02/x
  3. Step 3: Cross multiply
    181,228.02x = 250,094.64 × 100,663.02
  4. Step 4: Simplify right side
    181,228.02x = 25,175,281,748.21
  5. Step 5: Solve for x
    x = 25,175,281,748.21/181,228.02
  6. Step 6: Final answer
    x = 138,914.95

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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.