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Finding the Fourth Proportional to 179,615.99, 247,864.77 and 99,043.49

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Solution

The fourth proportional to 179,615.99, 247,864.77 and 99,043.49 is: 136,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,615.99 : 247,864.77 = 99,043.49 : x
  2. Step 2: Convert to fraction form
    179,615.99/247,864.77 = 99,043.49/x
  3. Step 3: Cross multiply
    179,615.99x = 247,864.77 × 99,043.49
  4. Step 4: Simplify right side
    179,615.99x = 24,549,391,868.85
  5. Step 5: Solve for x
    x = 24,549,391,868.85/179,615.99
  6. Step 6: Final answer
    x = 136,677.10

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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.