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Finding the Fourth Proportional to 315,511.88, 473,267.81 and 93,895.88

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Solution

The fourth proportional to 315,511.88, 473,267.81 and 93,895.88 is: 140,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,511.88 : 473,267.81 = 93,895.88 : x
  2. Step 2: Convert to fraction form
    315,511.88/473,267.81 = 93,895.88/x
  3. Step 3: Cross multiply
    315,511.88x = 473,267.81 × 93,895.88
  4. Step 4: Simplify right side
    315,511.88x = 44,437,895,364.02
  5. Step 5: Solve for x
    x = 44,437,895,364.02/315,511.88
  6. Step 6: Final answer
    x = 140,843.81

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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.