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Finding the Fourth Proportional to 93,176.99, 139,766.70 and 26,619.29

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Solution

The fourth proportional to 93,176.99, 139,766.70 and 26,619.29 is: 39,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,176.99 : 139,766.70 = 26,619.29 : x
  2. Step 2: Convert to fraction form
    93,176.99/139,766.70 = 26,619.29/x
  3. Step 3: Cross multiply
    93,176.99x = 139,766.70 × 26,619.29
  4. Step 4: Simplify right side
    93,176.99x = 3,720,490,319.64
  5. Step 5: Solve for x
    x = 3,720,490,319.64/93,176.99
  6. Step 6: Final answer
    x = 39,929.28

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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.