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Finding the Fourth Proportional to 179,603.84, 247,864.34 and 99,031.12

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Solution

The fourth proportional to 179,603.84, 247,864.34 and 99,031.12 is: 136,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,603.84 : 247,864.34 = 99,031.12 : x
  2. Step 2: Convert to fraction form
    179,603.84/247,864.34 = 99,031.12/x
  3. Step 3: Cross multiply
    179,603.84x = 247,864.34 × 99,031.12
  4. Step 4: Simplify right side
    179,603.84x = 24,546,283,198.26
  5. Step 5: Solve for x
    x = 24,546,283,198.26/179,603.84
  6. Step 6: Final answer
    x = 136,669.03

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1.5x scale

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.