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Finding the Fourth Proportional to 97,891.95, 146,903.55 and 62,856.21

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Solution

The fourth proportional to 97,891.95, 146,903.55 and 62,856.21 is: 94,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,891.95 : 146,903.55 = 62,856.21 : x
  2. Step 2: Convert to fraction form
    97,891.95/146,903.55 = 62,856.21/x
  3. Step 3: Cross multiply
    97,891.95x = 146,903.55 × 62,856.21
  4. Step 4: Simplify right side
    97,891.95x = 9,233,800,703.72
  5. Step 5: Solve for x
    x = 9,233,800,703.72/97,891.95
  6. Step 6: Final answer
    x = 94,326.45

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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.