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Finding the Fourth Proportional to 93,249.71, 139,875.90 and 26,689.88

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Solution

The fourth proportional to 93,249.71, 139,875.90 and 26,689.88 is: 40,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,249.71 : 139,875.90 = 26,689.88 : x
  2. Step 2: Convert to fraction form
    93,249.71/139,875.90 = 26,689.88/x
  3. Step 3: Cross multiply
    93,249.71x = 139,875.90 × 26,689.88
  4. Step 4: Simplify right side
    93,249.71x = 3,733,270,985.89
  5. Step 5: Solve for x
    x = 3,733,270,985.89/93,249.71
  6. Step 6: Final answer
    x = 40,035.20

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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.