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Finding the Fourth Proportional to 110,935.97, 153,102.40 and 65,628.54

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Solution

The fourth proportional to 110,935.97, 153,102.40 and 65,628.54 is: 90,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,935.97 : 153,102.40 = 65,628.54 : x
  2. Step 2: Convert to fraction form
    110,935.97/153,102.40 = 65,628.54/x
  3. Step 3: Cross multiply
    110,935.97x = 153,102.40 × 65,628.54
  4. Step 4: Simplify right side
    110,935.97x = 10,047,887,402.89
  5. Step 5: Solve for x
    x = 10,047,887,402.89/110,935.97
  6. Step 6: Final answer
    x = 90,573.76

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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.