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Finding the Fourth Proportional to 250,802.61, 376,028.96 and 92,988.69

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Solution

The fourth proportional to 250,802.61, 376,028.96 and 92,988.69 is: 139,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,802.61 : 376,028.96 = 92,988.69 : x
  2. Step 2: Convert to fraction form
    250,802.61/376,028.96 = 92,988.69/x
  3. Step 3: Cross multiply
    250,802.61x = 376,028.96 × 92,988.69
  4. Step 4: Simplify right side
    250,802.61x = 34,966,439,927.52
  5. Step 5: Solve for x
    x = 34,966,439,927.52/250,802.61
  6. Step 6: Final answer
    x = 139,418.17

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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.