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Finding the Fourth Proportional to 93,196.48, 128,622.90 and 52,923.40

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Solution

The fourth proportional to 93,196.48, 128,622.90 and 52,923.40 is: 73,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,196.48 : 128,622.90 = 52,923.40 : x
  2. Step 2: Convert to fraction form
    93,196.48/128,622.90 = 52,923.40/x
  3. Step 3: Cross multiply
    93,196.48x = 128,622.90 × 52,923.40
  4. Step 4: Simplify right side
    93,196.48x = 6,807,161,185.86
  5. Step 5: Solve for x
    x = 6,807,161,185.86/93,196.48
  6. Step 6: Final answer
    x = 73,040.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.