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Finding the Fourth Proportional to 197,488.89, 272,533.95 and 106,844.89

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Solution

The fourth proportional to 197,488.89, 272,533.95 and 106,844.89 is: 147,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,488.89 : 272,533.95 = 106,844.89 : x
  2. Step 2: Convert to fraction form
    197,488.89/272,533.95 = 106,844.89/x
  3. Step 3: Cross multiply
    197,488.89x = 272,533.95 × 106,844.89
  4. Step 4: Simplify right side
    197,488.89x = 29,118,859,909.02
  5. Step 5: Solve for x
    x = 29,118,859,909.02/197,488.89
  6. Step 6: Final answer
    x = 147,445.56

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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.