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Finding the Fourth Proportional to 92,833.74, 128,096.66 and 54,590.40

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Solution

The fourth proportional to 92,833.74, 128,096.66 and 54,590.40 is: 75,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,833.74 : 128,096.66 = 54,590.40 : x
  2. Step 2: Convert to fraction form
    92,833.74/128,096.66 = 54,590.40/x
  3. Step 3: Cross multiply
    92,833.74x = 128,096.66 × 54,590.40
  4. Step 4: Simplify right side
    92,833.74x = 6,992,848,044.54
  5. Step 5: Solve for x
    x = 6,992,848,044.54/92,833.74
  6. Step 6: Final answer
    x = 75,326.58

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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.