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Finding the Fourth Proportional to 117,466.47, 162,104.94 and 63,751.95

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Solution

The fourth proportional to 117,466.47, 162,104.94 and 63,751.95 is: 87,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,466.47 : 162,104.94 = 63,751.95 : x
  2. Step 2: Convert to fraction form
    117,466.47/162,104.94 = 63,751.95/x
  3. Step 3: Cross multiply
    117,466.47x = 162,104.94 × 63,751.95
  4. Step 4: Simplify right side
    117,466.47x = 10,334,506,029.63
  5. Step 5: Solve for x
    x = 10,334,506,029.63/117,466.47
  6. Step 6: Final answer
    x = 87,978.35

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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.