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Finding the Fourth Proportional to 235,450.66, 353,168.10 and 102,330.91

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Solution

The fourth proportional to 235,450.66, 353,168.10 and 102,330.91 is: 153,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,450.66 : 353,168.10 = 102,330.91 : x
  2. Step 2: Convert to fraction form
    235,450.66/353,168.10 = 102,330.91/x
  3. Step 3: Cross multiply
    235,450.66x = 353,168.10 × 102,330.91
  4. Step 4: Simplify right side
    235,450.66x = 36,140,013,055.97
  5. Step 5: Solve for x
    x = 36,140,013,055.97/235,450.66
  6. Step 6: Final answer
    x = 153,492.94

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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.