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Finding the Fourth Proportional to 245,419.22, 368,131.54 and 67,927.76

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Solution

The fourth proportional to 245,419.22, 368,131.54 and 67,927.76 is: 101,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,419.22 : 368,131.54 = 67,927.76 : x
  2. Step 2: Convert to fraction form
    245,419.22/368,131.54 = 67,927.76/x
  3. Step 3: Cross multiply
    245,419.22x = 368,131.54 × 67,927.76
  4. Step 4: Simplify right side
    245,419.22x = 25,006,350,897.55
  5. Step 5: Solve for x
    x = 25,006,350,897.55/245,419.22
  6. Step 6: Final answer
    x = 101,892.39

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1.5x scale

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.