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Finding the Fourth Proportional to 84,496.42, 116,631 and 48,710.32

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Solution

The fourth proportional to 84,496.42, 116,631 and 48,710.32 is: 67,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,496.42 : 116,631 = 48,710.32 : x
  2. Step 2: Convert to fraction form
    84,496.42/116,631 = 48,710.32/x
  3. Step 3: Cross multiply
    84,496.42x = 116,631 × 48,710.32
  4. Step 4: Simplify right side
    84,496.42x = 5,681,133,331.92
  5. Step 5: Solve for x
    x = 5,681,133,331.92/84,496.42
  6. Step 6: Final answer
    x = 67,235.20

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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.