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Finding the Fourth Proportional to 152,123.40, 228,372.30 and 95,963.40

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Solution

The fourth proportional to 152,123.40, 228,372.30 and 95,963.40 is: 144,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,123.40 : 228,372.30 = 95,963.40 : x
  2. Step 2: Convert to fraction form
    152,123.40/228,372.30 = 95,963.40/x
  3. Step 3: Cross multiply
    152,123.40x = 228,372.30 × 95,963.40
  4. Step 4: Simplify right side
    152,123.40x = 21,915,382,373.82
  5. Step 5: Solve for x
    x = 21,915,382,373.82/152,123.40
  6. Step 6: Final answer
    x = 144,063.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.