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Finding the Fourth Proportional to 176,117.60, 264,322.20 and 81,493.40

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Solution

The fourth proportional to 176,117.60, 264,322.20 and 81,493.40 is: 122,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,117.60 : 264,322.20 = 81,493.40 : x
  2. Step 2: Convert to fraction form
    176,117.60/264,322.20 = 81,493.40/x
  3. Step 3: Cross multiply
    176,117.60x = 264,322.20 × 81,493.40
  4. Step 4: Simplify right side
    176,117.60x = 21,540,514,773.48
  5. Step 5: Solve for x
    x = 21,540,514,773.48/176,117.60
  6. Step 6: Final answer
    x = 122,307.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.