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Finding the Fourth Proportional to 67,202.48, 92,723.60 and 56,488.08

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Solution

The fourth proportional to 67,202.48, 92,723.60 and 56,488.08 is: 77,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,202.48 : 92,723.60 = 56,488.08 : x
  2. Step 2: Convert to fraction form
    67,202.48/92,723.60 = 56,488.08/x
  3. Step 3: Cross multiply
    67,202.48x = 92,723.60 × 56,488.08
  4. Step 4: Simplify right side
    67,202.48x = 5,237,778,134.69
  5. Step 5: Solve for x
    x = 5,237,778,134.69/67,202.48
  6. Step 6: Final answer
    x = 77,940.25

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1.5x scale

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.