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Finding the Fourth Proportional to 110,935.14, 153,101.26 and 65,627.72

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Solution

The fourth proportional to 110,935.14, 153,101.26 and 65,627.72 is: 90,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,935.14 : 153,101.26 = 65,627.72 : x
  2. Step 2: Convert to fraction form
    110,935.14/153,101.26 = 65,627.72/x
  3. Step 3: Cross multiply
    110,935.14x = 153,101.26 × 65,627.72
  4. Step 4: Simplify right side
    110,935.14x = 10,047,686,144.43
  5. Step 5: Solve for x
    x = 10,047,686,144.43/110,935.14
  6. Step 6: Final answer
    x = 90,572.62

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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.