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Finding the Fourth Proportional to 98,349.76, 147,488.42 and 35,152.79

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Solution

The fourth proportional to 98,349.76, 147,488.42 and 35,152.79 is: 52,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,349.76 : 147,488.42 = 35,152.79 : x
  2. Step 2: Convert to fraction form
    98,349.76/147,488.42 = 35,152.79/x
  3. Step 3: Cross multiply
    98,349.76x = 147,488.42 × 35,152.79
  4. Step 4: Simplify right side
    98,349.76x = 5,184,629,912.29
  5. Step 5: Solve for x
    x = 5,184,629,912.29/98,349.76
  6. Step 6: Final answer
    x = 52,716.25

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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.