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Finding the Fourth Proportional to 76,030.11, 104,918.49 and 44,196.51

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Solution

The fourth proportional to 76,030.11, 104,918.49 and 44,196.51 is: 60,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030.11 : 104,918.49 = 44,196.51 : x
  2. Step 2: Convert to fraction form
    76,030.11/104,918.49 = 44,196.51/x
  3. Step 3: Cross multiply
    76,030.11x = 104,918.49 × 44,196.51
  4. Step 4: Simplify right side
    76,030.11x = 4,637,031,092.47
  5. Step 5: Solve for x
    x = 4,637,031,092.47/76,030.11
  6. Step 6: Final answer
    x = 60,989.40

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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.