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Finding the Fourth Proportional to 245,727.83, 368,591.47 and 77,262.88

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Solution

The fourth proportional to 245,727.83, 368,591.47 and 77,262.88 is: 115,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,727.83 : 368,591.47 = 77,262.88 : x
  2. Step 2: Convert to fraction form
    245,727.83/368,591.47 = 77,262.88/x
  3. Step 3: Cross multiply
    245,727.83x = 368,591.47 × 77,262.88
  4. Step 4: Simplify right side
    245,727.83x = 28,478,438,515.63
  5. Step 5: Solve for x
    x = 28,478,438,515.63/245,727.83
  6. Step 6: Final answer
    x = 115,894.23

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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.