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Finding the Fourth Proportional to 245,373.37, 368,060.13 and 76,906.76

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Solution

The fourth proportional to 245,373.37, 368,060.13 and 76,906.76 is: 115,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,373.37 : 368,060.13 = 76,906.76 : x
  2. Step 2: Convert to fraction form
    245,373.37/368,060.13 = 76,906.76/x
  3. Step 3: Cross multiply
    245,373.37x = 368,060.13 × 76,906.76
  4. Step 4: Simplify right side
    245,373.37x = 28,306,312,083.48
  5. Step 5: Solve for x
    x = 28,306,312,083.48/245,373.37
  6. Step 6: Final answer
    x = 115,360.17

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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.