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Finding the Fourth Proportional to 202,689, 304,082.71 and 62,447.63

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Solution

The fourth proportional to 202,689, 304,082.71 and 62,447.63 is: 93,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,689 : 304,082.71 = 62,447.63 : x
  2. Step 2: Convert to fraction form
    202,689/304,082.71 = 62,447.63/x
  3. Step 3: Cross multiply
    202,689x = 304,082.71 × 62,447.63
  4. Step 4: Simplify right side
    202,689x = 18,989,242,886.94
  5. Step 5: Solve for x
    x = 18,989,242,886.94/202,689
  6. Step 6: Final answer
    x = 93,686.60

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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.