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Finding the Fourth Proportional to 94,702.50, 130,692.21 and 51,684.77

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Solution

The fourth proportional to 94,702.50, 130,692.21 and 51,684.77 is: 71,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,702.50 : 130,692.21 = 51,684.77 : x
  2. Step 2: Convert to fraction form
    94,702.50/130,692.21 = 51,684.77/x
  3. Step 3: Cross multiply
    94,702.50x = 130,692.21 × 51,684.77
  4. Step 4: Simplify right side
    94,702.50x = 6,754,796,031.97
  5. Step 5: Solve for x
    x = 6,754,796,031.97/94,702.50
  6. Step 6: Final answer
    x = 71,326.48

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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.