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Finding the Fourth Proportional to 92,004.68, 126,965.94 and 56,189.72

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Solution

The fourth proportional to 92,004.68, 126,965.94 and 56,189.72 is: 77,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.68 : 126,965.94 = 56,189.72 : x
  2. Step 2: Convert to fraction form
    92,004.68/126,965.94 = 56,189.72/x
  3. Step 3: Cross multiply
    92,004.68x = 126,965.94 × 56,189.72
  4. Step 4: Simplify right side
    92,004.68x = 7,134,180,618.14
  5. Step 5: Solve for x
    x = 7,134,180,618.14/92,004.68
  6. Step 6: Final answer
    x = 77,541.50

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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.