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Finding the Fourth Proportional to 144,242.94, 216,365.22 and 39,062.82

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Solution

The fourth proportional to 144,242.94, 216,365.22 and 39,062.82 is: 58,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,242.94 : 216,365.22 = 39,062.82 : x
  2. Step 2: Convert to fraction form
    144,242.94/216,365.22 = 39,062.82/x
  3. Step 3: Cross multiply
    144,242.94x = 216,365.22 × 39,062.82
  4. Step 4: Simplify right side
    144,242.94x = 8,451,835,643.12
  5. Step 5: Solve for x
    x = 8,451,835,643.12/144,242.94
  6. Step 6: Final answer
    x = 58,594.45

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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.