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Finding the Fourth Proportional to 272,953.41, 376,671.87 and 152,099.79

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Solution

The fourth proportional to 272,953.41, 376,671.87 and 152,099.79 is: 209,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,953.41 : 376,671.87 = 152,099.79 : x
  2. Step 2: Convert to fraction form
    272,953.41/376,671.87 = 152,099.79/x
  3. Step 3: Cross multiply
    272,953.41x = 376,671.87 × 152,099.79
  4. Step 4: Simplify right side
    272,953.41x = 57,291,712,325.91
  5. Step 5: Solve for x
    x = 57,291,712,325.91/272,953.41
  6. Step 6: Final answer
    x = 209,895.57

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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.