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Finding the Fourth Proportional to 63,146.94, 94,713.93 and 39,702.30

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Solution

The fourth proportional to 63,146.94, 94,713.93 and 39,702.30 is: 59,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,146.94 : 94,713.93 = 39,702.30 : x
  2. Step 2: Convert to fraction form
    63,146.94/94,713.93 = 39,702.30/x
  3. Step 3: Cross multiply
    63,146.94x = 94,713.93 × 39,702.30
  4. Step 4: Simplify right side
    63,146.94x = 3,760,360,863.04
  5. Step 5: Solve for x
    x = 3,760,360,863.04/63,146.94
  6. Step 6: Final answer
    x = 59,549.38

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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.