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Finding the Fourth Proportional to 376,176.29, 564,262.47 and 91,868.45

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Solution

The fourth proportional to 376,176.29, 564,262.47 and 91,868.45 is: 137,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,176.29 : 564,262.47 = 91,868.45 : x
  2. Step 2: Convert to fraction form
    376,176.29/564,262.47 = 91,868.45/x
  3. Step 3: Cross multiply
    376,176.29x = 564,262.47 × 91,868.45
  4. Step 4: Simplify right side
    376,176.29x = 51,837,915,690.76
  5. Step 5: Solve for x
    x = 51,837,915,690.76/376,176.29
  6. Step 6: Final answer
    x = 137,802.19

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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.