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Finding the Fourth Proportional to 98,604.86, 136,186.88 and 66,283.34

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Solution

The fourth proportional to 98,604.86, 136,186.88 and 66,283.34 is: 91,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,604.86 : 136,186.88 = 66,283.34 : x
  2. Step 2: Convert to fraction form
    98,604.86/136,186.88 = 66,283.34/x
  3. Step 3: Cross multiply
    98,604.86x = 136,186.88 × 66,283.34
  4. Step 4: Simplify right side
    98,604.86x = 9,026,920,258.23
  5. Step 5: Solve for x
    x = 9,026,920,258.23/98,604.86
  6. Step 6: Final answer
    x = 91,546.41

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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.