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Finding the Fourth Proportional to 246,521.61, 369,837.86 and 78,052.05

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Solution

The fourth proportional to 246,521.61, 369,837.86 and 78,052.05 is: 117,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,521.61 : 369,837.86 = 78,052.05 : x
  2. Step 2: Convert to fraction form
    246,521.61/369,837.86 = 78,052.05/x
  3. Step 3: Cross multiply
    246,521.61x = 369,837.86 × 78,052.05
  4. Step 4: Simplify right side
    246,521.61x = 28,866,602,750.35
  5. Step 5: Solve for x
    x = 28,866,602,750.35/246,521.61
  6. Step 6: Final answer
    x = 117,095.63

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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.