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Finding the Fourth Proportional to 92,853.66, 128,141.13 and 52,566.60

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Solution

The fourth proportional to 92,853.66, 128,141.13 and 52,566.60 is: 72,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853.66 : 128,141.13 = 52,566.60 : x
  2. Step 2: Convert to fraction form
    92,853.66/128,141.13 = 52,566.60/x
  3. Step 3: Cross multiply
    92,853.66x = 128,141.13 × 52,566.60
  4. Step 4: Simplify right side
    92,853.66x = 6,735,943,524.26
  5. Step 5: Solve for x
    x = 6,735,943,524.26/92,853.66
  6. Step 6: Final answer
    x = 72,543.65

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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.