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Finding the Fourth Proportional to 92,723.69, 127,903.87 and 59,189.69

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Solution

The fourth proportional to 92,723.69, 127,903.87 and 59,189.69 is: 81,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,723.69 : 127,903.87 = 59,189.69 : x
  2. Step 2: Convert to fraction form
    92,723.69/127,903.87 = 59,189.69/x
  3. Step 3: Cross multiply
    92,723.69x = 127,903.87 × 59,189.69
  4. Step 4: Simplify right side
    92,723.69x = 7,570,590,415.10
  5. Step 5: Solve for x
    x = 7,570,590,415.10/92,723.69
  6. Step 6: Final answer
    x = 81,646.78

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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.