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Finding the Fourth Proportional to 63,985.50, 88,246.86 and 48,042.28

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Solution

The fourth proportional to 63,985.50, 88,246.86 and 48,042.28 is: 66,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,985.50 : 88,246.86 = 48,042.28 : x
  2. Step 2: Convert to fraction form
    63,985.50/88,246.86 = 48,042.28/x
  3. Step 3: Cross multiply
    63,985.50x = 88,246.86 × 48,042.28
  4. Step 4: Simplify right side
    63,985.50x = 4,239,580,357.24
  5. Step 5: Solve for x
    x = 4,239,580,357.24/63,985.50
  6. Step 6: Final answer
    x = 66,258.45

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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.