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Finding the Fourth Proportional to 94,580.59, 141,620.59 and 57,090.55

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Solution

The fourth proportional to 94,580.59, 141,620.59 and 57,090.55 is: 85,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,580.59 : 141,620.59 = 57,090.55 : x
  2. Step 2: Convert to fraction form
    94,580.59/141,620.59 = 57,090.55/x
  3. Step 3: Cross multiply
    94,580.59x = 141,620.59 × 57,090.55
  4. Step 4: Simplify right side
    94,580.59x = 8,085,197,374.42
  5. Step 5: Solve for x
    x = 8,085,197,374.42/94,580.59
  6. Step 6: Final answer
    x = 85,484.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.