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Finding the Fourth Proportional to 145,475.88, 217,972.44 and 50,655.93

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Solution

The fourth proportional to 145,475.88, 217,972.44 and 50,655.93 is: 75,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,475.88 : 217,972.44 = 50,655.93 : x
  2. Step 2: Convert to fraction form
    145,475.88/217,972.44 = 50,655.93/x
  3. Step 3: Cross multiply
    145,475.88x = 217,972.44 × 50,655.93
  4. Step 4: Simplify right side
    145,475.88x = 11,041,596,662.57
  5. Step 5: Solve for x
    x = 11,041,596,662.57/145,475.88
  6. Step 6: Final answer
    x = 75,899.84

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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.