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Finding the Fourth Proportional to 98,059.09, 135,316.01 and 55,034.57

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Solution

The fourth proportional to 98,059.09, 135,316.01 and 55,034.57 is: 75,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,059.09 : 135,316.01 = 55,034.57 : x
  2. Step 2: Convert to fraction form
    98,059.09/135,316.01 = 55,034.57/x
  3. Step 3: Cross multiply
    98,059.09x = 135,316.01 × 55,034.57
  4. Step 4: Simplify right side
    98,059.09x = 7,447,058,424.47
  5. Step 5: Solve for x
    x = 7,447,058,424.47/98,059.09
  6. Step 6: Final answer
    x = 75,944.60

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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.