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Finding the Fourth Proportional to 176,333.73, 243,345.36 and 103,741.73

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Solution

The fourth proportional to 176,333.73, 243,345.36 and 103,741.73 is: 143,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,333.73 : 243,345.36 = 103,741.73 : x
  2. Step 2: Convert to fraction form
    176,333.73/243,345.36 = 103,741.73/x
  3. Step 3: Cross multiply
    176,333.73x = 243,345.36 × 103,741.73
  4. Step 4: Simplify right side
    176,333.73x = 25,245,067,417.15
  5. Step 5: Solve for x
    x = 25,245,067,417.15/176,333.73
  6. Step 6: Final answer
    x = 143,166.41

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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.