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Finding the Fourth Proportional to 57,066.90, 85,187.96 and 50,068.50

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Solution

The fourth proportional to 57,066.90, 85,187.96 and 50,068.50 is: 74,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066.90 : 85,187.96 = 50,068.50 : x
  2. Step 2: Convert to fraction form
    57,066.90/85,187.96 = 50,068.50/x
  3. Step 3: Cross multiply
    57,066.90x = 85,187.96 × 50,068.50
  4. Step 4: Simplify right side
    57,066.90x = 4,265,233,124.92
  5. Step 5: Solve for x
    x = 4,265,233,124.92/57,066.90
  6. Step 6: Final answer
    x = 74,740.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.