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Finding the Fourth Proportional to 144,606.61, 216,903.52 and 39,425.59

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Solution

The fourth proportional to 144,606.61, 216,903.52 and 39,425.59 is: 59,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,606.61 : 216,903.52 = 39,425.59 : x
  2. Step 2: Convert to fraction form
    144,606.61/216,903.52 = 39,425.59/x
  3. Step 3: Cross multiply
    144,606.61x = 216,903.52 × 39,425.59
  4. Step 4: Simplify right side
    144,606.61x = 8,551,549,249.08
  5. Step 5: Solve for x
    x = 8,551,549,249.08/144,606.61
  6. Step 6: Final answer
    x = 59,136.64

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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.