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Finding the Fourth Proportional to 98,600.94, 147,938.67 and 59,185.53

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Solution

The fourth proportional to 98,600.94, 147,938.67 and 59,185.53 is: 88,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600.94 : 147,938.67 = 59,185.53 : x
  2. Step 2: Convert to fraction form
    98,600.94/147,938.67 = 59,185.53/x
  3. Step 3: Cross multiply
    98,600.94x = 147,938.67 × 59,185.53
  4. Step 4: Simplify right side
    98,600.94x = 8,755,828,591.45
  5. Step 5: Solve for x
    x = 8,755,828,591.45/98,600.94
  6. Step 6: Final answer
    x = 88,800.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.