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Finding the Fourth Proportional to 73,643.40, 110,465.10 and 62,238.60

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Solution

The fourth proportional to 73,643.40, 110,465.10 and 62,238.60 is: 93,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,643.40 : 110,465.10 = 62,238.60 : x
  2. Step 2: Convert to fraction form
    73,643.40/110,465.10 = 62,238.60/x
  3. Step 3: Cross multiply
    73,643.40x = 110,465.10 × 62,238.60
  4. Step 4: Simplify right side
    73,643.40x = 6,875,193,172.86
  5. Step 5: Solve for x
    x = 6,875,193,172.86/73,643.40
  6. Step 6: Final answer
    x = 93,357.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.