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Finding the Fourth Proportional to 229,150.97, 316,266.32 and 133,657.64

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Solution

The fourth proportional to 229,150.97, 316,266.32 and 133,657.64 is: 184,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,150.97 : 316,266.32 = 133,657.64 : x
  2. Step 2: Convert to fraction form
    229,150.97/316,266.32 = 133,657.64/x
  3. Step 3: Cross multiply
    229,150.97x = 316,266.32 × 133,657.64
  4. Step 4: Simplify right side
    229,150.97x = 42,271,411,660.49
  5. Step 5: Solve for x
    x = 42,271,411,660.49/229,150.97
  6. Step 6: Final answer
    x = 184,469.70

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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.