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Finding the Fourth Proportional to 176,899.80, 243,863.82 and 134,384.52

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Solution

The fourth proportional to 176,899.80, 243,863.82 and 134,384.52 is: 185,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,899.80 : 243,863.82 = 134,384.52 : x
  2. Step 2: Convert to fraction form
    176,899.80/243,863.82 = 134,384.52/x
  3. Step 3: Cross multiply
    176,899.80x = 243,863.82 × 134,384.52
  4. Step 4: Simplify right side
    176,899.80x = 32,771,522,396.07
  5. Step 5: Solve for x
    x = 32,771,522,396.07/176,899.80
  6. Step 6: Final answer
    x = 185,254.72

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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.