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Finding the Fourth Proportional to 116,523.37, 160,798.75 and 65,538.93

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Solution

The fourth proportional to 116,523.37, 160,798.75 and 65,538.93 is: 90,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,523.37 : 160,798.75 = 65,538.93 : x
  2. Step 2: Convert to fraction form
    116,523.37/160,798.75 = 65,538.93/x
  3. Step 3: Cross multiply
    116,523.37x = 160,798.75 × 65,538.93
  4. Step 4: Simplify right side
    116,523.37x = 10,538,578,459.49
  5. Step 5: Solve for x
    x = 10,538,578,459.49/116,523.37
  6. Step 6: Final answer
    x = 90,441.76

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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.