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Finding the Fourth Proportional to 77,015.00, 106,281.52 and 45,184.43

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Solution

The fourth proportional to 77,015.00, 106,281.52 and 45,184.43 is: 62,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,015.00 : 106,281.52 = 45,184.43 : x
  2. Step 2: Convert to fraction form
    77,015.00/106,281.52 = 45,184.43/x
  3. Step 3: Cross multiply
    77,015.00x = 106,281.52 × 45,184.43
  4. Step 4: Simplify right side
    77,015.00x = 4,802,270,053.48
  5. Step 5: Solve for x
    x = 4,802,270,053.48/77,015.00
  6. Step 6: Final answer
    x = 62,354.99

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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.