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Finding the Fourth Proportional to 67,484.90, 93,129.86 and 37,270.98

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Solution

The fourth proportional to 67,484.90, 93,129.86 and 37,270.98 is: 51,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,484.90 : 93,129.86 = 37,270.98 : x
  2. Step 2: Convert to fraction form
    67,484.90/93,129.86 = 37,270.98/x
  3. Step 3: Cross multiply
    67,484.90x = 93,129.86 × 37,270.98
  4. Step 4: Simplify right side
    67,484.90x = 3,471,041,242.64
  5. Step 5: Solve for x
    x = 3,471,041,242.64/67,484.90
  6. Step 6: Final answer
    x = 51,434.34

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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.