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Finding the Fourth Proportional to 110,357.67, 152,298.59 and 65,037.56

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Solution

The fourth proportional to 110,357.67, 152,298.59 and 65,037.56 is: 89,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,357.67 : 152,298.59 = 65,037.56 : x
  2. Step 2: Convert to fraction form
    110,357.67/152,298.59 = 65,037.56/x
  3. Step 3: Cross multiply
    110,357.67x = 152,298.59 × 65,037.56
  4. Step 4: Simplify right side
    110,357.67x = 9,905,128,657.26
  5. Step 5: Solve for x
    x = 9,905,128,657.26/110,357.67
  6. Step 6: Final answer
    x = 89,754.79

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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.