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Finding the Fourth Proportional to 202,373.48, 279,308.22 and 117,539.76

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Solution

The fourth proportional to 202,373.48, 279,308.22 and 117,539.76 is: 162,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,373.48 : 279,308.22 = 117,539.76 : x
  2. Step 2: Convert to fraction form
    202,373.48/279,308.22 = 117,539.76/x
  3. Step 3: Cross multiply
    202,373.48x = 279,308.22 × 117,539.76
  4. Step 4: Simplify right side
    202,373.48x = 32,829,821,144.83
  5. Step 5: Solve for x
    x = 32,829,821,144.83/202,373.48
  6. Step 6: Final answer
    x = 162,223.93

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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.