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Finding the Fourth Proportional to 85,234.98, 117,623.54 and 46,472.84

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Solution

The fourth proportional to 85,234.98, 117,623.54 and 46,472.84 is: 64,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,234.98 : 117,623.54 = 46,472.84 : x
  2. Step 2: Convert to fraction form
    85,234.98/117,623.54 = 46,472.84/x
  3. Step 3: Cross multiply
    85,234.98x = 117,623.54 × 46,472.84
  4. Step 4: Simplify right side
    85,234.98x = 5,466,299,923.81
  5. Step 5: Solve for x
    x = 5,466,299,923.81/85,234.98
  6. Step 6: Final answer
    x = 64,132.12

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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.