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Finding the Fourth Proportional to 88,186.93, 121,698.88 and 47,901.48

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Solution

The fourth proportional to 88,186.93, 121,698.88 and 47,901.48 is: 66,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.93 : 121,698.88 = 47,901.48 : x
  2. Step 2: Convert to fraction form
    88,186.93/121,698.88 = 47,901.48/x
  3. Step 3: Cross multiply
    88,186.93x = 121,698.88 × 47,901.48
  4. Step 4: Simplify right side
    88,186.93x = 5,829,556,466.34
  5. Step 5: Solve for x
    x = 5,829,556,466.34/88,186.93
  6. Step 6: Final answer
    x = 66,104.54

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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.