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Finding the Fourth Proportional to 111,516.59, 153,893.05 and 60,529.33

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Solution

The fourth proportional to 111,516.59, 153,893.05 and 60,529.33 is: 83,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,516.59 : 153,893.05 = 60,529.33 : x
  2. Step 2: Convert to fraction form
    111,516.59/153,893.05 = 60,529.33/x
  3. Step 3: Cross multiply
    111,516.59x = 153,893.05 × 60,529.33
  4. Step 4: Simplify right side
    111,516.59x = 9,315,043,208.16
  5. Step 5: Solve for x
    x = 9,315,043,208.16/111,516.59
  6. Step 6: Final answer
    x = 83,530.56

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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.