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Finding the Fourth Proportional to 111,833.15, 167,779.71 and 48,666.87

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Solution

The fourth proportional to 111,833.15, 167,779.71 and 48,666.87 is: 73,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,833.15 : 167,779.71 = 48,666.87 : x
  2. Step 2: Convert to fraction form
    111,833.15/167,779.71 = 48,666.87/x
  3. Step 3: Cross multiply
    111,833.15x = 167,779.71 × 48,666.87
  4. Step 4: Simplify right side
    111,833.15x = 8,165,313,335.21
  5. Step 5: Solve for x
    x = 8,165,313,335.21/111,833.15
  6. Step 6: Final answer
    x = 73,013.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.