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Finding the Fourth Proportional to 273,299.42, 377,153.77 and 152,437.60

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Solution

The fourth proportional to 273,299.42, 377,153.77 and 152,437.60 is: 210,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,299.42 : 377,153.77 = 152,437.60 : x
  2. Step 2: Convert to fraction form
    273,299.42/377,153.77 = 152,437.60/x
  3. Step 3: Cross multiply
    273,299.42x = 377,153.77 × 152,437.60
  4. Step 4: Simplify right side
    273,299.42x = 57,492,413,784.43
  5. Step 5: Solve for x
    x = 57,492,413,784.43/273,299.42
  6. Step 6: Final answer
    x = 210,364.20

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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.