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Finding the Fourth Proportional to 179,402, 247,574.76 and 99,914

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Solution

The fourth proportional to 179,402, 247,574.76 and 99,914 is: 137,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,402 : 247,574.76 = 99,914 : x
  2. Step 2: Convert to fraction form
    179,402/247,574.76 = 99,914/x
  3. Step 3: Cross multiply
    179,402x = 247,574.76 × 99,914
  4. Step 4: Simplify right side
    179,402x = 24,736,184,570.64
  5. Step 5: Solve for x
    x = 24,736,184,570.64/179,402
  6. Step 6: Final answer
    x = 137,881.32

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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.