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Finding the Fourth Proportional to 229,440.94, 316,632.48 and 133,951.66

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Solution

The fourth proportional to 229,440.94, 316,632.48 and 133,951.66 is: 184,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,440.94 : 316,632.48 = 133,951.66 : x
  2. Step 2: Convert to fraction form
    229,440.94/316,632.48 = 133,951.66/x
  3. Step 3: Cross multiply
    229,440.94x = 316,632.48 × 133,951.66
  4. Step 4: Simplify right side
    229,440.94x = 42,413,446,305.92
  5. Step 5: Solve for x
    x = 42,413,446,305.92/229,440.94
  6. Step 6: Final answer
    x = 184,855.62

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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.