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Finding the Fourth Proportional to 98,347.68, 135,737.46 and 58,059.06

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Solution

The fourth proportional to 98,347.68, 135,737.46 and 58,059.06 is: 80,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,347.68 : 135,737.46 = 58,059.06 : x
  2. Step 2: Convert to fraction form
    98,347.68/135,737.46 = 58,059.06/x
  3. Step 3: Cross multiply
    98,347.68x = 135,737.46 × 58,059.06
  4. Step 4: Simplify right side
    98,347.68x = 7,880,789,334.39
  5. Step 5: Solve for x
    x = 7,880,789,334.39/98,347.68
  6. Step 6: Final answer
    x = 80,131.93

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1.5x scale

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.