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Finding the Fourth Proportional to 179,646.13, 247,923.03 and 99,073.81

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Solution

The fourth proportional to 179,646.13, 247,923.03 and 99,073.81 is: 136,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,646.13 : 247,923.03 = 99,073.81 : x
  2. Step 2: Convert to fraction form
    179,646.13/247,923.03 = 99,073.81/x
  3. Step 3: Cross multiply
    179,646.13x = 247,923.03 × 99,073.81
  4. Step 4: Simplify right side
    179,646.13x = 24,562,679,168.84
  5. Step 5: Solve for x
    x = 24,562,679,168.84/179,646.13
  6. Step 6: Final answer
    x = 136,728.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.