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Finding the Fourth Proportional to 99,054.52, 148,631.70 and 36,731.32

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Solution

The fourth proportional to 99,054.52, 148,631.70 and 36,731.32 is: 55,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,054.52 : 148,631.70 = 36,731.32 : x
  2. Step 2: Convert to fraction form
    99,054.52/148,631.70 = 36,731.32/x
  3. Step 3: Cross multiply
    99,054.52x = 148,631.70 × 36,731.32
  4. Step 4: Simplify right side
    99,054.52x = 5,459,438,534.84
  5. Step 5: Solve for x
    x = 5,459,438,534.84/99,054.52
  6. Step 6: Final answer
    x = 55,115.49

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