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Finding the Fourth Proportional to 250,998.02, 376,386.50 and 117,916.10

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Solution

The fourth proportional to 250,998.02, 376,386.50 and 117,916.10 is: 176,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,998.02 : 376,386.50 = 117,916.10 : x
  2. Step 2: Convert to fraction form
    250,998.02/376,386.50 = 117,916.10/x
  3. Step 3: Cross multiply
    250,998.02x = 376,386.50 × 117,916.10
  4. Step 4: Simplify right side
    250,998.02x = 44,382,028,172.65
  5. Step 5: Solve for x
    x = 44,382,028,172.65/250,998.02
  6. Step 6: Final answer
    x = 176,822.22

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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.