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Finding the Fourth Proportional to 98,355.89, 147,497.67 and 35,158.95

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Solution

The fourth proportional to 98,355.89, 147,497.67 and 35,158.95 is: 52,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,355.89 : 147,497.67 = 35,158.95 : x
  2. Step 2: Convert to fraction form
    98,355.89/147,497.67 = 35,158.95/x
  3. Step 3: Cross multiply
    98,355.89x = 147,497.67 × 35,158.95
  4. Step 4: Simplify right side
    98,355.89x = 5,185,863,204.65
  5. Step 5: Solve for x
    x = 5,185,863,204.65/98,355.89
  6. Step 6: Final answer
    x = 52,725.50

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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.