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Finding the Fourth Proportional to 110,838.88, 152,955.44 and 63,091.20

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Solution

The fourth proportional to 110,838.88, 152,955.44 and 63,091.20 is: 87,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,838.88 : 152,955.44 = 63,091.20 : x
  2. Step 2: Convert to fraction form
    110,838.88/152,955.44 = 63,091.20/x
  3. Step 3: Cross multiply
    110,838.88x = 152,955.44 × 63,091.20
  4. Step 4: Simplify right side
    110,838.88x = 9,650,142,256.13
  5. Step 5: Solve for x
    x = 9,650,142,256.13/110,838.88
  6. Step 6: Final answer
    x = 87,064.60

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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.