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Finding the Fourth Proportional to 273,775.21, 377,805.81 and 152,918.22

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Solution

The fourth proportional to 273,775.21, 377,805.81 and 152,918.22 is: 211,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,775.21 : 377,805.81 = 152,918.22 : x
  2. Step 2: Convert to fraction form
    273,775.21/377,805.81 = 152,918.22/x
  3. Step 3: Cross multiply
    273,775.21x = 377,805.81 × 152,918.22
  4. Step 4: Simplify right side
    273,775.21x = 57,773,391,970.86
  5. Step 5: Solve for x
    x = 57,773,391,970.86/273,775.21
  6. Step 6: Final answer
    x = 211,024.92

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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.