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Finding the Fourth Proportional to 376,350.16, 564,087.48 and 139,510.48

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Solution

The fourth proportional to 376,350.16, 564,087.48 and 139,510.48 is: 209,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,350.16 : 564,087.48 = 139,510.48 : x
  2. Step 2: Convert to fraction form
    376,350.16/564,087.48 = 139,510.48/x
  3. Step 3: Cross multiply
    376,350.16x = 564,087.48 × 139,510.48
  4. Step 4: Simplify right side
    376,350.16x = 78,696,115,096.79
  5. Step 5: Solve for x
    x = 78,696,115,096.79/376,350.16
  6. Step 6: Final answer
    x = 209,103.45

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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.