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Finding the Fourth Proportional to 88,770.69, 122,507.52 and 48,484.77

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Solution

The fourth proportional to 88,770.69, 122,507.52 and 48,484.77 is: 66,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,770.69 : 122,507.52 = 48,484.77 : x
  2. Step 2: Convert to fraction form
    88,770.69/122,507.52 = 48,484.77/x
  3. Step 3: Cross multiply
    88,770.69x = 122,507.52 × 48,484.77
  4. Step 4: Simplify right side
    88,770.69x = 5,939,748,930.47
  5. Step 5: Solve for x
    x = 5,939,748,930.47/88,770.69
  6. Step 6: Final answer
    x = 66,911.15

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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.