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Finding the Fourth Proportional to 201,349.48, 277,865.70 and 110,709.16

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Solution

The fourth proportional to 201,349.48, 277,865.70 and 110,709.16 is: 152,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,349.48 : 277,865.70 = 110,709.16 : x
  2. Step 2: Convert to fraction form
    201,349.48/277,865.70 = 110,709.16/x
  3. Step 3: Cross multiply
    201,349.48x = 277,865.70 × 110,709.16
  4. Step 4: Simplify right side
    201,349.48x = 30,762,278,239.81
  5. Step 5: Solve for x
    x = 30,762,278,239.81/201,349.48
  6. Step 6: Final answer
    x = 152,780.52

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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.