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Finding the Fourth Proportional to 144,653.48, 216,962.92 and 38,045.73

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Solution

The fourth proportional to 144,653.48, 216,962.92 and 38,045.73 is: 57,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,653.48 : 216,962.92 = 38,045.73 : x
  2. Step 2: Convert to fraction form
    144,653.48/216,962.92 = 38,045.73/x
  3. Step 3: Cross multiply
    144,653.48x = 216,962.92 × 38,045.73
  4. Step 4: Simplify right side
    144,653.48x = 8,254,513,535.50
  5. Step 5: Solve for x
    x = 8,254,513,535.50/144,653.48
  6. Step 6: Final answer
    x = 57,064.05

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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.