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Finding the Fourth Proportional to 73,477.53, 101,421.72 and 43,260.48

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Solution

The fourth proportional to 73,477.53, 101,421.72 and 43,260.48 is: 59,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,477.53 : 101,421.72 = 43,260.48 : x
  2. Step 2: Convert to fraction form
    73,477.53/101,421.72 = 43,260.48/x
  3. Step 3: Cross multiply
    73,477.53x = 101,421.72 × 43,260.48
  4. Step 4: Simplify right side
    73,477.53x = 4,387,552,289.63
  5. Step 5: Solve for x
    x = 4,387,552,289.63/73,477.53
  6. Step 6: Final answer
    x = 59,712.84

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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.