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Finding the Fourth Proportional to 74,904.48, 103,368.12 and 41,370.48

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Solution

The fourth proportional to 74,904.48, 103,368.12 and 41,370.48 is: 57,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.48 : 103,368.12 = 41,370.48 : x
  2. Step 2: Convert to fraction form
    74,904.48/103,368.12 = 41,370.48/x
  3. Step 3: Cross multiply
    74,904.48x = 103,368.12 × 41,370.48
  4. Step 4: Simplify right side
    74,904.48x = 4,276,388,741.10
  5. Step 5: Solve for x
    x = 4,276,388,741.10/74,904.48
  6. Step 6: Final answer
    x = 57,091.23

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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.