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Finding the Fourth Proportional to 315,060.64, 472,616.56 and 93,444

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Solution

The fourth proportional to 315,060.64, 472,616.56 and 93,444 is: 140,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,060.64 : 472,616.56 = 93,444 : x
  2. Step 2: Convert to fraction form
    315,060.64/472,616.56 = 93,444/x
  3. Step 3: Cross multiply
    315,060.64x = 472,616.56 × 93,444
  4. Step 4: Simplify right side
    315,060.64x = 44,163,181,832.64
  5. Step 5: Solve for x
    x = 44,163,181,832.64/315,060.64
  6. Step 6: Final answer
    x = 140,173.59

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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.