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Finding the Fourth Proportional to 111,706.08, 153,995.76 and 88,844.64

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Solution

The fourth proportional to 111,706.08, 153,995.76 and 88,844.64 is: 122,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,706.08 : 153,995.76 = 88,844.64 : x
  2. Step 2: Convert to fraction form
    111,706.08/153,995.76 = 88,844.64/x
  3. Step 3: Cross multiply
    111,706.08x = 153,995.76 × 88,844.64
  4. Step 4: Simplify right side
    111,706.08x = 13,681,697,858.73
  5. Step 5: Solve for x
    x = 13,681,697,858.73/111,706.08
  6. Step 6: Final answer
    x = 122,479.44

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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.