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Finding the Fourth Proportional to 201,343.16, 277,837.02 and 118,543.98

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Solution

The fourth proportional to 201,343.16, 277,837.02 and 118,543.98 is: 163,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,343.16 : 277,837.02 = 118,543.98 : x
  2. Step 2: Convert to fraction form
    201,343.16/277,837.02 = 118,543.98/x
  3. Step 3: Cross multiply
    201,343.16x = 277,837.02 × 118,543.98
  4. Step 4: Simplify right side
    201,343.16x = 32,935,906,902.72
  5. Step 5: Solve for x
    x = 32,935,906,902.72/201,343.16
  6. Step 6: Final answer
    x = 163,580.96

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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.