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Finding the Fourth Proportional to 247,036.93, 370,292.90 and 97,256.59

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Solution

The fourth proportional to 247,036.93, 370,292.90 and 97,256.59 is: 145,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,036.93 : 370,292.90 = 97,256.59 : x
  2. Step 2: Convert to fraction form
    247,036.93/370,292.90 = 97,256.59/x
  3. Step 3: Cross multiply
    247,036.93x = 370,292.90 × 97,256.59
  4. Step 4: Simplify right side
    247,036.93x = 36,013,424,755.21
  5. Step 5: Solve for x
    x = 36,013,424,755.21/247,036.93
  6. Step 6: Final answer
    x = 145,781.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.