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Finding the Fourth Proportional to 98,058.01, 147,087.11 and 68,533.51

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Solution

The fourth proportional to 98,058.01, 147,087.11 and 68,533.51 is: 102,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,058.01 : 147,087.11 = 68,533.51 : x
  2. Step 2: Convert to fraction form
    98,058.01/147,087.11 = 68,533.51/x
  3. Step 3: Cross multiply
    98,058.01x = 147,087.11 × 68,533.51
  4. Step 4: Simplify right side
    98,058.01x = 10,080,395,581.39
  5. Step 5: Solve for x
    x = 10,080,395,581.39/98,058.01
  6. Step 6: Final answer
    x = 102,800.33

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1.5x scale

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.