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Finding the Fourth Proportional to 113,650.83, 156,800.04 and 73,391.81

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Solution

The fourth proportional to 113,650.83, 156,800.04 and 73,391.81 is: 101,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,650.83 : 156,800.04 = 73,391.81 : x
  2. Step 2: Convert to fraction form
    113,650.83/156,800.04 = 73,391.81/x
  3. Step 3: Cross multiply
    113,650.83x = 156,800.04 × 73,391.81
  4. Step 4: Simplify right side
    113,650.83x = 11,507,837,959.67
  5. Step 5: Solve for x
    x = 11,507,837,959.67/113,650.83
  6. Step 6: Final answer
    x = 101,256.08

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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.