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Finding the Fourth Proportional to 144,570.60, 216,814.20 and 49,796.94

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Solution

The fourth proportional to 144,570.60, 216,814.20 and 49,796.94 is: 74,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,570.60 : 216,814.20 = 49,796.94 : x
  2. Step 2: Convert to fraction form
    144,570.60/216,814.20 = 49,796.94/x
  3. Step 3: Cross multiply
    144,570.60x = 216,814.20 × 49,796.94
  4. Step 4: Simplify right side
    144,570.60x = 10,796,683,708.55
  5. Step 5: Solve for x
    x = 10,796,683,708.55/144,570.60
  6. Step 6: Final answer
    x = 74,681.05

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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.