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Finding the Fourth Proportional to 71,352.51, 98,486.73 and 43,060.02

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Solution

The fourth proportional to 71,352.51, 98,486.73 and 43,060.02 is: 59,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,352.51 : 98,486.73 = 43,060.02 : x
  2. Step 2: Convert to fraction form
    71,352.51/98,486.73 = 43,060.02/x
  3. Step 3: Cross multiply
    71,352.51x = 98,486.73 × 43,060.02
  4. Step 4: Simplify right side
    71,352.51x = 4,240,840,563.53
  5. Step 5: Solve for x
    x = 4,240,840,563.53/71,352.51
  6. Step 6: Final answer
    x = 59,435.06

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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.