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Finding the Fourth Proportional to 99,848.34, 149,720.90 and 36,652.25

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Solution

The fourth proportional to 99,848.34, 149,720.90 and 36,652.25 is: 54,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,848.34 : 149,720.90 = 36,652.25 : x
  2. Step 2: Convert to fraction form
    99,848.34/149,720.90 = 36,652.25/x
  3. Step 3: Cross multiply
    99,848.34x = 149,720.90 × 36,652.25
  4. Step 4: Simplify right side
    99,848.34x = 5,487,606,925.16
  5. Step 5: Solve for x
    x = 5,487,606,925.16/99,848.34
  6. Step 6: Final answer
    x = 54,959.42

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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.