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Finding the Fourth Proportional to 110,953.58, 153,078.54 and 63,173.12

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Solution

The fourth proportional to 110,953.58, 153,078.54 and 63,173.12 is: 87,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,953.58 : 153,078.54 = 63,173.12 : x
  2. Step 2: Convert to fraction form
    110,953.58/153,078.54 = 63,173.12/x
  3. Step 3: Cross multiply
    110,953.58x = 153,078.54 × 63,173.12
  4. Step 4: Simplify right side
    110,953.58x = 9,670,448,976.84
  5. Step 5: Solve for x
    x = 9,670,448,976.84/110,953.58
  6. Step 6: Final answer
    x = 87,157.61

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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.