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Finding the Fourth Proportional to 245,502.94, 368,254.44 and 77,049.26

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Solution

The fourth proportional to 245,502.94, 368,254.44 and 77,049.26 is: 115,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,502.94 : 368,254.44 = 77,049.26 : x
  2. Step 2: Convert to fraction form
    245,502.94/368,254.44 = 77,049.26/x
  3. Step 3: Cross multiply
    245,502.94x = 368,254.44 × 77,049.26
  4. Step 4: Simplify right side
    245,502.94x = 28,373,732,093.71
  5. Step 5: Solve for x
    x = 28,373,732,093.71/245,502.94
  6. Step 6: Final answer
    x = 115,573.90

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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.