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Finding the Fourth Proportional to 93,377.40, 139,847.40 and 63,634.20

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Solution

The fourth proportional to 93,377.40, 139,847.40 and 63,634.20 is: 95,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,377.40 : 139,847.40 = 63,634.20 : x
  2. Step 2: Convert to fraction form
    93,377.40/139,847.40 = 63,634.20/x
  3. Step 3: Cross multiply
    93,377.40x = 139,847.40 × 63,634.20
  4. Step 4: Simplify right side
    93,377.40x = 8,899,077,421.08
  5. Step 5: Solve for x
    x = 8,899,077,421.08/93,377.40
  6. Step 6: Final answer
    x = 95,302.26

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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.