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Finding the Fourth Proportional to 197,854.56, 273,036.72 and 107,210.64

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Solution

The fourth proportional to 197,854.56, 273,036.72 and 107,210.64 is: 147,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,854.56 : 273,036.72 = 107,210.64 : x
  2. Step 2: Convert to fraction form
    197,854.56/273,036.72 = 107,210.64/x
  3. Step 3: Cross multiply
    197,854.56x = 273,036.72 × 107,210.64
  4. Step 4: Simplify right side
    197,854.56x = 29,272,441,494.70
  5. Step 5: Solve for x
    x = 29,272,441,494.70/197,854.56
  6. Step 6: Final answer
    x = 147,949.29

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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.