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Finding the Fourth Proportional to 185,368.48, 277,865.75 and 73,005.28

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Solution

The fourth proportional to 185,368.48, 277,865.75 and 73,005.28 is: 109,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,368.48 : 277,865.75 = 73,005.28 : x
  2. Step 2: Convert to fraction form
    185,368.48/277,865.75 = 73,005.28/x
  3. Step 3: Cross multiply
    185,368.48x = 277,865.75 × 73,005.28
  4. Step 4: Simplify right side
    185,368.48x = 20,285,666,369.01
  5. Step 5: Solve for x
    x = 20,285,666,369.01/185,368.48
  6. Step 6: Final answer
    x = 109,434.28

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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.