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Finding the Fourth Proportional to 118,452.99, 163,416.29 and 82,663.77

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Solution

The fourth proportional to 118,452.99, 163,416.29 and 82,663.77 is: 114,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,452.99 : 163,416.29 = 82,663.77 : x
  2. Step 2: Convert to fraction form
    118,452.99/163,416.29 = 82,663.77/x
  3. Step 3: Cross multiply
    118,452.99x = 163,416.29 × 82,663.77
  4. Step 4: Simplify right side
    118,452.99x = 13,508,606,197.49
  5. Step 5: Solve for x
    x = 13,508,606,197.49/118,452.99
  6. Step 6: Final answer
    x = 114,041.92

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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.