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Finding the Fourth Proportional to 273,690.09, 377,692.89 and 152,831.01

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Solution

The fourth proportional to 273,690.09, 377,692.89 and 152,831.01 is: 210,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,690.09 : 377,692.89 = 152,831.01 : x
  2. Step 2: Convert to fraction form
    273,690.09/377,692.89 = 152,831.01/x
  3. Step 3: Cross multiply
    273,690.09x = 377,692.89 × 152,831.01
  4. Step 4: Simplify right side
    273,690.09x = 57,723,185,848.52
  5. Step 5: Solve for x
    x = 57,723,185,848.52/273,690.09
  6. Step 6: Final answer
    x = 210,907.11

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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.