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Finding the Fourth Proportional to 98,675.58, 136,170.27 and 53,963.58

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Solution

The fourth proportional to 98,675.58, 136,170.27 and 53,963.58 is: 74,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,675.58 : 136,170.27 = 53,963.58 : x
  2. Step 2: Convert to fraction form
    98,675.58/136,170.27 = 53,963.58/x
  3. Step 3: Cross multiply
    98,675.58x = 136,170.27 × 53,963.58
  4. Step 4: Simplify right side
    98,675.58x = 7,348,235,258.77
  5. Step 5: Solve for x
    x = 7,348,235,258.77/98,675.58
  6. Step 6: Final answer
    x = 74,468.63

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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.