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Finding the Fourth Proportional to 73,643.84, 101,625.59 and 45,011.46

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Solution

The fourth proportional to 73,643.84, 101,625.59 and 45,011.46 is: 62,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,643.84 : 101,625.59 = 45,011.46 : x
  2. Step 2: Convert to fraction form
    73,643.84/101,625.59 = 45,011.46/x
  3. Step 3: Cross multiply
    73,643.84x = 101,625.59 × 45,011.46
  4. Step 4: Simplify right side
    73,643.84x = 4,574,315,954.20
  5. Step 5: Solve for x
    x = 4,574,315,954.20/73,643.84
  6. Step 6: Final answer
    x = 62,114.04

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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.