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Finding the Fourth Proportional to 110,101.12, 151,940.16 and 65,388.16

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Solution

The fourth proportional to 110,101.12, 151,940.16 and 65,388.16 is: 90,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,101.12 : 151,940.16 = 65,388.16 : x
  2. Step 2: Convert to fraction form
    110,101.12/151,940.16 = 65,388.16/x
  3. Step 3: Cross multiply
    110,101.12x = 151,940.16 × 65,388.16
  4. Step 4: Simplify right side
    110,101.12x = 9,935,087,492.51
  5. Step 5: Solve for x
    x = 9,935,087,492.51/110,101.12
  6. Step 6: Final answer
    x = 90,236.03

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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.