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Finding the Fourth Proportional to 154,858.01, 213,795.66 and 97,546.46

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Solution

The fourth proportional to 154,858.01, 213,795.66 and 97,546.46 is: 134,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,858.01 : 213,795.66 = 97,546.46 : x
  2. Step 2: Convert to fraction form
    154,858.01/213,795.66 = 97,546.46/x
  3. Step 3: Cross multiply
    154,858.01x = 213,795.66 × 97,546.46
  4. Step 4: Simplify right side
    154,858.01x = 20,855,009,796.36
  5. Step 5: Solve for x
    x = 20,855,009,796.36/154,858.01
  6. Step 6: Final answer
    x = 134,671.82

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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.