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Finding the Fourth Proportional to 72,048.36, 108,070.22 and 32,605.47

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Solution

The fourth proportional to 72,048.36, 108,070.22 and 32,605.47 is: 48,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,048.36 : 108,070.22 = 32,605.47 : x
  2. Step 2: Convert to fraction form
    72,048.36/108,070.22 = 32,605.47/x
  3. Step 3: Cross multiply
    72,048.36x = 108,070.22 × 32,605.47
  4. Step 4: Simplify right side
    72,048.36x = 3,523,680,153.08
  5. Step 5: Solve for x
    x = 3,523,680,153.08/72,048.36
  6. Step 6: Final answer
    x = 48,907.15

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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.