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Finding the Fourth Proportional to 67,442.70, 93,070.91 and 37,228.01

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Solution

The fourth proportional to 67,442.70, 93,070.91 and 37,228.01 is: 51,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,442.70 : 93,070.91 = 37,228.01 : x
  2. Step 2: Convert to fraction form
    67,442.70/93,070.91 = 37,228.01/x
  3. Step 3: Cross multiply
    67,442.70x = 93,070.91 × 37,228.01
  4. Step 4: Simplify right side
    67,442.70x = 3,464,844,768.19
  5. Step 5: Solve for x
    x = 3,464,844,768.19/67,442.70
  6. Step 6: Final answer
    x = 51,374.64

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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.