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Finding the Fourth Proportional to 93,457.68, 139,471.32 and 83,484.96

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Solution

The fourth proportional to 93,457.68, 139,471.32 and 83,484.96 is: 124,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,457.68 : 139,471.32 = 83,484.96 : x
  2. Step 2: Convert to fraction form
    93,457.68/139,471.32 = 83,484.96/x
  3. Step 3: Cross multiply
    93,457.68x = 139,471.32 × 83,484.96
  4. Step 4: Simplify right side
    93,457.68x = 11,643,757,571.35
  5. Step 5: Solve for x
    x = 11,643,757,571.35/93,457.68
  6. Step 6: Final answer
    x = 124,588.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.