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Finding the Fourth Proportional to 202,913.74, 280,065.09 and 118,041.94

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Solution

The fourth proportional to 202,913.74, 280,065.09 and 118,041.94 is: 162,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,913.74 : 280,065.09 = 118,041.94 : x
  2. Step 2: Convert to fraction form
    202,913.74/280,065.09 = 118,041.94/x
  3. Step 3: Cross multiply
    202,913.74x = 280,065.09 × 118,041.94
  4. Step 4: Simplify right side
    202,913.74x = 33,059,426,549.87
  5. Step 5: Solve for x
    x = 33,059,426,549.87/202,913.74
  6. Step 6: Final answer
    x = 162,923.55

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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.