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Finding the Fourth Proportional to 84,110.80, 116,082.84 and 48,302.32

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Solution

The fourth proportional to 84,110.80, 116,082.84 and 48,302.32 is: 66,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,110.80 : 116,082.84 = 48,302.32 : x
  2. Step 2: Convert to fraction form
    84,110.80/116,082.84 = 48,302.32/x
  3. Step 3: Cross multiply
    84,110.80x = 116,082.84 × 48,302.32
  4. Step 4: Simplify right side
    84,110.80x = 5,607,070,484.19
  5. Step 5: Solve for x
    x = 5,607,070,484.19/84,110.80
  6. Step 6: Final answer
    x = 66,662.91

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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.