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Finding the Fourth Proportional to 174,903.93, 241,348.82 and 98,421.70

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Solution

The fourth proportional to 174,903.93, 241,348.82 and 98,421.70 is: 135,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,903.93 : 241,348.82 = 98,421.70 : x
  2. Step 2: Convert to fraction form
    174,903.93/241,348.82 = 98,421.70/x
  3. Step 3: Cross multiply
    174,903.93x = 241,348.82 × 98,421.70
  4. Step 4: Simplify right side
    174,903.93x = 23,753,960,061.91
  5. Step 5: Solve for x
    x = 23,753,960,061.91/174,903.93
  6. Step 6: Final answer
    x = 135,811.47

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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.