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Finding the Fourth Proportional to 84,725.92, 116,923.92 and 47,000.80

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Solution

The fourth proportional to 84,725.92, 116,923.92 and 47,000.80 is: 64,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.92 : 116,923.92 = 47,000.80 : x
  2. Step 2: Convert to fraction form
    84,725.92/116,923.92 = 47,000.80/x
  3. Step 3: Cross multiply
    84,725.92x = 116,923.92 × 47,000.80
  4. Step 4: Simplify right side
    84,725.92x = 5,495,517,779.14
  5. Step 5: Solve for x
    x = 5,495,517,779.14/84,725.92
  6. Step 6: Final answer
    x = 64,862.30

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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.