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Finding the Fourth Proportional to 85,679.97, 118,234.08 and 46,916.79

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Solution

The fourth proportional to 85,679.97, 118,234.08 and 46,916.79 is: 64,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,679.97 : 118,234.08 = 46,916.79 : x
  2. Step 2: Convert to fraction form
    85,679.97/118,234.08 = 46,916.79/x
  3. Step 3: Cross multiply
    85,679.97x = 118,234.08 × 46,916.79
  4. Step 4: Simplify right side
    85,679.97x = 5,547,163,502.20
  5. Step 5: Solve for x
    x = 5,547,163,502.20/85,679.97
  6. Step 6: Final answer
    x = 64,742.83

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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.