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Finding the Fourth Proportional to 95,507.50, 131,801.78 and 53,068.76

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Solution

The fourth proportional to 95,507.50, 131,801.78 and 53,068.76 is: 73,235.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,507.50 : 131,801.78 = 53,068.76 : x
  2. Step 2: Convert to fraction form
    95,507.50/131,801.78 = 53,068.76/x
  3. Step 3: Cross multiply
    95,507.50x = 131,801.78 × 53,068.76
  4. Step 4: Simplify right side
    95,507.50x = 6,994,557,030.39
  5. Step 5: Solve for x
    x = 6,994,557,030.39/95,507.50
  6. Step 6: Final answer
    x = 73,235.68

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Double scale
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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.