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Finding the Fourth Proportional to 143,892.81, 215,994.74 and 60,845.13

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Solution

The fourth proportional to 143,892.81, 215,994.74 and 60,845.13 is: 91,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,892.81 : 215,994.74 = 60,845.13 : x
  2. Step 2: Convert to fraction form
    143,892.81/215,994.74 = 60,845.13/x
  3. Step 3: Cross multiply
    143,892.81x = 215,994.74 × 60,845.13
  4. Step 4: Simplify right side
    143,892.81x = 13,142,227,730.39
  5. Step 5: Solve for x
    x = 13,142,227,730.39/143,892.81
  6. Step 6: Final answer
    x = 91,333.46

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1.5x scale

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.