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Finding the Fourth Proportional to 239,146.37, 358,740.20 and 61,651.88

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Solution

The fourth proportional to 239,146.37, 358,740.20 and 61,651.88 is: 92,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,146.37 : 358,740.20 = 61,651.88 : x
  2. Step 2: Convert to fraction form
    239,146.37/358,740.20 = 61,651.88/x
  3. Step 3: Cross multiply
    239,146.37x = 358,740.20 × 61,651.88
  4. Step 4: Simplify right side
    239,146.37x = 22,117,006,686.03
  5. Step 5: Solve for x
    x = 22,117,006,686.03/239,146.37
  6. Step 6: Final answer
    x = 92,483.14

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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.