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Finding the Fourth Proportional to 176,773.25, 243,952.57 and 100,295.55

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Solution

The fourth proportional to 176,773.25, 243,952.57 and 100,295.55 is: 138,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,773.25 : 243,952.57 = 100,295.55 : x
  2. Step 2: Convert to fraction form
    176,773.25/243,952.57 = 100,295.55/x
  3. Step 3: Cross multiply
    176,773.25x = 243,952.57 × 100,295.55
  4. Step 4: Simplify right side
    176,773.25x = 24,467,357,307.43
  5. Step 5: Solve for x
    x = 24,467,357,307.43/176,773.25
  6. Step 6: Final answer
    x = 138,410.97

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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.