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Finding the Fourth Proportional to 92,893, 128,194.06 and 52,606.64

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Solution

The fourth proportional to 92,893, 128,194.06 and 52,606.64 is: 72,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893 : 128,194.06 = 52,606.64 : x
  2. Step 2: Convert to fraction form
    92,893/128,194.06 = 52,606.64/x
  3. Step 3: Cross multiply
    92,893x = 128,194.06 × 52,606.64
  4. Step 4: Simplify right side
    92,893x = 6,743,858,764.56
  5. Step 5: Solve for x
    x = 6,743,858,764.56/92,893
  6. Step 6: Final answer
    x = 72,598.14

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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.