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Finding the Fourth Proportional to 67,702.88, 93,332.04 and 47,497.16

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Solution

The fourth proportional to 67,702.88, 93,332.04 and 47,497.16 is: 65,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,702.88 : 93,332.04 = 47,497.16 : x
  2. Step 2: Convert to fraction form
    67,702.88/93,332.04 = 47,497.16/x
  3. Step 3: Cross multiply
    67,702.88x = 93,332.04 × 47,497.16
  4. Step 4: Simplify right side
    67,702.88x = 4,433,006,837.01
  5. Step 5: Solve for x
    x = 4,433,006,837.01/67,702.88
  6. Step 6: Final answer
    x = 65,477.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.