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Finding the Fourth Proportional to 48,117.49, 72,173.00 and 16,948.69

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Solution

The fourth proportional to 48,117.49, 72,173.00 and 16,948.69 is: 25,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.49 : 72,173.00 = 16,948.69 : x
  2. Step 2: Convert to fraction form
    48,117.49/72,173.00 = 16,948.69/x
  3. Step 3: Cross multiply
    48,117.49x = 72,173.00 × 16,948.69
  4. Step 4: Simplify right side
    48,117.49x = 1,223,237,718.63
  5. Step 5: Solve for x
    x = 1,223,237,718.63/48,117.49
  6. Step 6: Final answer
    x = 25,421.89

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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.