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Finding the Fourth Proportional to 93,216.15, 139,829.09 and 26,666.08

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Solution

The fourth proportional to 93,216.15, 139,829.09 and 26,666.08 is: 40,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,216.15 : 139,829.09 = 26,666.08 : x
  2. Step 2: Convert to fraction form
    93,216.15/139,829.09 = 26,666.08/x
  3. Step 3: Cross multiply
    93,216.15x = 139,829.09 × 26,666.08
  4. Step 4: Simplify right side
    93,216.15x = 3,728,693,217.36
  5. Step 5: Solve for x
    x = 3,728,693,217.36/93,216.15
  6. Step 6: Final answer
    x = 40,000.51

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1.5x scale

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.