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Finding the Fourth Proportional to 273,775.35, 377,805.99 and 152,918.34

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Solution

The fourth proportional to 273,775.35, 377,805.99 and 152,918.34 is: 211,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,775.35 : 377,805.99 = 152,918.34 : x
  2. Step 2: Convert to fraction form
    273,775.35/377,805.99 = 152,918.34/x
  3. Step 3: Cross multiply
    273,775.35x = 377,805.99 × 152,918.34
  4. Step 4: Simplify right side
    273,775.35x = 57,773,464,832.86
  5. Step 5: Solve for x
    x = 57,773,464,832.86/273,775.35
  6. Step 6: Final answer
    x = 211,025.08

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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.