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Finding the Fourth Proportional to 92,816.82, 128,085.84 and 52,538.22

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Solution

The fourth proportional to 92,816.82, 128,085.84 and 52,538.22 is: 72,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,816.82 : 128,085.84 = 52,538.22 : x
  2. Step 2: Convert to fraction form
    92,816.82/128,085.84 = 52,538.22/x
  3. Step 3: Cross multiply
    92,816.82x = 128,085.84 × 52,538.22
  4. Step 4: Simplify right side
    92,816.82x = 6,729,402,040.80
  5. Step 5: Solve for x
    x = 6,729,402,040.80/92,816.82
  6. Step 6: Final answer
    x = 72,501.97

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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.