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Finding the Fourth Proportional to 248,901.76, 373,202.48 and 99,165.16

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Solution

The fourth proportional to 248,901.76, 373,202.48 and 99,165.16 is: 148,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,901.76 : 373,202.48 = 99,165.16 : x
  2. Step 2: Convert to fraction form
    248,901.76/373,202.48 = 99,165.16/x
  3. Step 3: Cross multiply
    248,901.76x = 373,202.48 × 99,165.16
  4. Step 4: Simplify right side
    248,901.76x = 37,008,683,641.60
  5. Step 5: Solve for x
    x = 37,008,683,641.60/248,901.76
  6. Step 6: Final answer
    x = 148,687.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.