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Finding the Fourth Proportional to 245,523.51, 368,300.84 and 77,050.49

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Solution

The fourth proportional to 245,523.51, 368,300.84 and 77,050.49 is: 115,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,523.51 : 368,300.84 = 77,050.49 : x
  2. Step 2: Convert to fraction form
    245,523.51/368,300.84 = 77,050.49/x
  3. Step 3: Cross multiply
    245,523.51x = 368,300.84 × 77,050.49
  4. Step 4: Simplify right side
    245,523.51x = 28,377,757,962.66
  5. Step 5: Solve for x
    x = 28,377,757,962.66/245,523.51
  6. Step 6: Final answer
    x = 115,580.61

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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.