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Finding the Fourth Proportional to 111,999.52, 154,562.52 and 64,261.36

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Solution

The fourth proportional to 111,999.52, 154,562.52 and 64,261.36 is: 88,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,999.52 : 154,562.52 = 64,261.36 : x
  2. Step 2: Convert to fraction form
    111,999.52/154,562.52 = 64,261.36/x
  3. Step 3: Cross multiply
    111,999.52x = 154,562.52 × 64,261.36
  4. Step 4: Simplify right side
    111,999.52x = 9,932,397,740.23
  5. Step 5: Solve for x
    x = 9,932,397,740.23/111,999.52
  6. Step 6: Final answer
    x = 88,682.50

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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.