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Finding the Fourth Proportional to 92,874.60, 128,164.58 and 52,598.26

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Solution

The fourth proportional to 92,874.60, 128,164.58 and 52,598.26 is: 72,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,874.60 : 128,164.58 = 52,598.26 : x
  2. Step 2: Convert to fraction form
    92,874.60/128,164.58 = 52,598.26/x
  3. Step 3: Cross multiply
    92,874.60x = 128,164.58 × 52,598.26
  4. Step 4: Simplify right side
    92,874.60x = 6,741,233,996.09
  5. Step 5: Solve for x
    x = 6,741,233,996.09/92,874.60
  6. Step 6: Final answer
    x = 72,584.26

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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.