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Finding the Fourth Proportional to 147,465.28, 221,197.86 and 36,657.28

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Solution

The fourth proportional to 147,465.28, 221,197.86 and 36,657.28 is: 54,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,465.28 : 221,197.86 = 36,657.28 : x
  2. Step 2: Convert to fraction form
    147,465.28/221,197.86 = 36,657.28/x
  3. Step 3: Cross multiply
    147,465.28x = 221,197.86 × 36,657.28
  4. Step 4: Simplify right side
    147,465.28x = 8,108,511,889.42
  5. Step 5: Solve for x
    x = 8,108,511,889.42/147,465.28
  6. Step 6: Final answer
    x = 54,985.91

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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.