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Finding the Fourth Proportional to 202,923.74, 280,078.90 and 118,051.94

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Solution

The fourth proportional to 202,923.74, 280,078.90 and 118,051.94 is: 162,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,923.74 : 280,078.90 = 118,051.94 : x
  2. Step 2: Convert to fraction form
    202,923.74/280,078.90 = 118,051.94/x
  3. Step 3: Cross multiply
    202,923.74x = 280,078.90 × 118,051.94
  4. Step 4: Simplify right side
    202,923.74x = 33,063,857,498.07
  5. Step 5: Solve for x
    x = 33,063,857,498.07/202,923.74
  6. Step 6: Final answer
    x = 162,937.36

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1.5x scale

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.