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Finding the Fourth Proportional to 192,175.74, 288,440.82 and 97,472.40

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Solution

The fourth proportional to 192,175.74, 288,440.82 and 97,472.40 is: 146,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,175.74 : 288,440.82 = 97,472.40 : x
  2. Step 2: Convert to fraction form
    192,175.74/288,440.82 = 97,472.40/x
  3. Step 3: Cross multiply
    192,175.74x = 288,440.82 × 97,472.40
  4. Step 4: Simplify right side
    192,175.74x = 28,115,018,983.37
  5. Step 5: Solve for x
    x = 28,115,018,983.37/192,175.74
  6. Step 6: Final answer
    x = 146,298.48

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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.