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Finding the Fourth Proportional to 48,159.94, 72,221.94 and 16,561.06

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Solution

The fourth proportional to 48,159.94, 72,221.94 and 16,561.06 is: 24,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,159.94 : 72,221.94 = 16,561.06 : x
  2. Step 2: Convert to fraction form
    48,159.94/72,221.94 = 16,561.06/x
  3. Step 3: Cross multiply
    48,159.94x = 72,221.94 × 16,561.06
  4. Step 4: Simplify right side
    48,159.94x = 1,196,071,881.66
  5. Step 5: Solve for x
    x = 1,196,071,881.66/48,159.94
  6. Step 6: Final answer
    x = 24,835.41

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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.