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Finding the Fourth Proportional to 229,667.58, 316,951.81 and 127,703.52

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Solution

The fourth proportional to 229,667.58, 316,951.81 and 127,703.52 is: 176,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,667.58 : 316,951.81 = 127,703.52 : x
  2. Step 2: Convert to fraction form
    229,667.58/316,951.81 = 127,703.52/x
  3. Step 3: Cross multiply
    229,667.58x = 316,951.81 × 127,703.52
  4. Step 4: Simplify right side
    229,667.58x = 40,475,861,488.11
  5. Step 5: Solve for x
    x = 40,475,861,488.11/229,667.58
  6. Step 6: Final answer
    x = 176,236.72

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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.