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Finding the Fourth Proportional to 202,925.74, 280,081.66 and 118,053.94

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Solution

The fourth proportional to 202,925.74, 280,081.66 and 118,053.94 is: 162,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,925.74 : 280,081.66 = 118,053.94 : x
  2. Step 2: Convert to fraction form
    202,925.74/280,081.66 = 118,053.94/x
  3. Step 3: Cross multiply
    202,925.74x = 280,081.66 × 118,053.94
  4. Step 4: Simplify right side
    202,925.74x = 33,064,743,484.74
  5. Step 5: Solve for x
    x = 33,064,743,484.74/202,925.74
  6. Step 6: Final answer
    x = 162,940.12

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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.