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Finding the Fourth Proportional to 151,716.61, 209,250.58 and 97,273.98

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Solution

The fourth proportional to 151,716.61, 209,250.58 and 97,273.98 is: 134,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,716.61 : 209,250.58 = 97,273.98 : x
  2. Step 2: Convert to fraction form
    151,716.61/209,250.58 = 97,273.98/x
  3. Step 3: Cross multiply
    151,716.61x = 209,250.58 × 97,273.98
  4. Step 4: Simplify right side
    151,716.61x = 20,354,636,733.91
  5. Step 5: Solve for x
    x = 20,354,636,733.91/151,716.61
  6. Step 6: Final answer
    x = 134,162.22

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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.