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Finding the Fourth Proportional to 93,249.96, 139,996.88 and 55,368.40

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Solution

The fourth proportional to 93,249.96, 139,996.88 and 55,368.40 is: 83,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,249.96 : 139,996.88 = 55,368.40 : x
  2. Step 2: Convert to fraction form
    93,249.96/139,996.88 = 55,368.40/x
  3. Step 3: Cross multiply
    93,249.96x = 139,996.88 × 55,368.40
  4. Step 4: Simplify right side
    93,249.96x = 7,751,403,250.59
  5. Step 5: Solve for x
    x = 7,751,403,250.59/93,249.96
  6. Step 6: Final answer
    x = 83,125.00

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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.