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Finding the Fourth Proportional to 98,847.86, 136,410.69 and 53,525.85

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Solution

The fourth proportional to 98,847.86, 136,410.69 and 53,525.85 is: 73,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,847.86 : 136,410.69 = 53,525.85 : x
  2. Step 2: Convert to fraction form
    98,847.86/136,410.69 = 53,525.85/x
  3. Step 3: Cross multiply
    98,847.86x = 136,410.69 × 53,525.85
  4. Step 4: Simplify right side
    98,847.86x = 7,301,497,820.52
  5. Step 5: Solve for x
    x = 7,301,497,820.52/98,847.86
  6. Step 6: Final answer
    x = 73,866.02

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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.