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Finding the Fourth Proportional to 111,106.64, 153,327.46 and 60,805.64

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Solution

The fourth proportional to 111,106.64, 153,327.46 and 60,805.64 is: 83,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,106.64 : 153,327.46 = 60,805.64 : x
  2. Step 2: Convert to fraction form
    111,106.64/153,327.46 = 60,805.64/x
  3. Step 3: Cross multiply
    111,106.64x = 153,327.46 × 60,805.64
  4. Step 4: Simplify right side
    111,106.64x = 9,323,174,334.87
  5. Step 5: Solve for x
    x = 9,323,174,334.87/111,106.64
  6. Step 6: Final answer
    x = 83,911.95

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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.