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Finding the Fourth Proportional to 273,243.78, 377,085.27 and 152,390.16

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Solution

The fourth proportional to 273,243.78, 377,085.27 and 152,390.16 is: 210,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,243.78 : 377,085.27 = 152,390.16 : x
  2. Step 2: Convert to fraction form
    273,243.78/377,085.27 = 152,390.16/x
  3. Step 3: Cross multiply
    273,243.78x = 377,085.27 × 152,390.16
  4. Step 4: Simplify right side
    273,243.78x = 57,464,085,200.41
  5. Step 5: Solve for x
    x = 57,464,085,200.41/273,243.78
  6. Step 6: Final answer
    x = 210,303.36

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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.