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Finding the Fourth Proportional to 202,437.90, 303,656.85 and 163,071.90

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Solution

The fourth proportional to 202,437.90, 303,656.85 and 163,071.90 is: 244,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,437.90 : 303,656.85 = 163,071.90 : x
  2. Step 2: Convert to fraction form
    202,437.90/303,656.85 = 163,071.90/x
  3. Step 3: Cross multiply
    202,437.90x = 303,656.85 × 163,071.90
  4. Step 4: Simplify right side
    202,437.90x = 49,517,899,477.52
  5. Step 5: Solve for x
    x = 49,517,899,477.52/202,437.90
  6. Step 6: Final answer
    x = 244,607.85

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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.