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Finding the Fourth Proportional to 73,393.60, 101,325.20 and 48,316

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Solution

The fourth proportional to 73,393.60, 101,325.20 and 48,316 is: 66,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,393.60 : 101,325.20 = 48,316 : x
  2. Step 2: Convert to fraction form
    73,393.60/101,325.20 = 48,316/x
  3. Step 3: Cross multiply
    73,393.60x = 101,325.20 × 48,316
  4. Step 4: Simplify right side
    73,393.60x = 4,895,628,363.20
  5. Step 5: Solve for x
    x = 4,895,628,363.20/73,393.60
  6. Step 6: Final answer
    x = 66,703.75

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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.