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Finding the Fourth Proportional to 67,261.60, 92,821.64 and 37,048.00

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Solution

The fourth proportional to 67,261.60, 92,821.64 and 37,048.00 is: 51,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.60 : 92,821.64 = 37,048.00 : x
  2. Step 2: Convert to fraction form
    67,261.60/92,821.64 = 37,048.00/x
  3. Step 3: Cross multiply
    67,261.60x = 92,821.64 × 37,048.00
  4. Step 4: Simplify right side
    67,261.60x = 3,438,855,678.02
  5. Step 5: Solve for x
    x = 3,438,855,678.02/67,261.60
  6. Step 6: Final answer
    x = 51,126.58

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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.