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Finding the Fourth Proportional to 277,239.53, 382,672.35 and 162,543.07

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Solution

The fourth proportional to 277,239.53, 382,672.35 and 162,543.07 is: 224,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,239.53 : 382,672.35 = 162,543.07 : x
  2. Step 2: Convert to fraction form
    277,239.53/382,672.35 = 162,543.07/x
  3. Step 3: Cross multiply
    277,239.53x = 382,672.35 × 162,543.07
  4. Step 4: Simplify right side
    277,239.53x = 62,200,739,051.45
  5. Step 5: Solve for x
    x = 62,200,739,051.45/277,239.53
  6. Step 6: Final answer
    x = 224,357.40

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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.