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Finding the Fourth Proportional to 272,953.65, 376,672.22 and 152,100.03

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Solution

The fourth proportional to 272,953.65, 376,672.22 and 152,100.03 is: 209,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,953.65 : 376,672.22 = 152,100.03 : x
  2. Step 2: Convert to fraction form
    272,953.65/376,672.22 = 152,100.03/x
  3. Step 3: Cross multiply
    272,953.65x = 376,672.22 × 152,100.03
  4. Step 4: Simplify right side
    272,953.65x = 57,291,855,962.17
  5. Step 5: Solve for x
    x = 57,291,855,962.17/272,953.65
  6. Step 6: Final answer
    x = 209,895.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.