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Finding the Fourth Proportional to 156,668.70, 234,916.65 and 63,068.70

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Solution

The fourth proportional to 156,668.70, 234,916.65 and 63,068.70 is: 94,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,668.70 : 234,916.65 = 63,068.70 : x
  2. Step 2: Convert to fraction form
    156,668.70/234,916.65 = 63,068.70/x
  3. Step 3: Cross multiply
    156,668.70x = 234,916.65 × 63,068.70
  4. Step 4: Simplify right side
    156,668.70x = 14,815,887,723.86
  5. Step 5: Solve for x
    x = 14,815,887,723.86/156,668.70
  6. Step 6: Final answer
    x = 94,568.27

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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.