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Finding the Fourth Proportional to 61,107.54, 84,264.45 and 45,225.30

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Solution

The fourth proportional to 61,107.54, 84,264.45 and 45,225.30 is: 62,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,107.54 : 84,264.45 = 45,225.30 : x
  2. Step 2: Convert to fraction form
    61,107.54/84,264.45 = 45,225.30/x
  3. Step 3: Cross multiply
    61,107.54x = 84,264.45 × 45,225.30
  4. Step 4: Simplify right side
    61,107.54x = 3,810,885,030.59
  5. Step 5: Solve for x
    x = 3,810,885,030.59/61,107.54
  6. Step 6: Final answer
    x = 62,363.58

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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.