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Finding the Fourth Proportional to 73,641.59, 101,622.74 and 45,009.17

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Solution

The fourth proportional to 73,641.59, 101,622.74 and 45,009.17 is: 62,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.59 : 101,622.74 = 45,009.17 : x
  2. Step 2: Convert to fraction form
    73,641.59/101,622.74 = 45,009.17/x
  3. Step 3: Cross multiply
    73,641.59x = 101,622.74 × 45,009.17
  4. Step 4: Simplify right side
    73,641.59x = 4,573,954,828.45
  5. Step 5: Solve for x
    x = 4,573,954,828.45/73,641.59
  6. Step 6: Final answer
    x = 62,111.03

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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.