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Finding the Fourth Proportional to 273,971.81, 378,092.78 and 153,113.10

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Solution

The fourth proportional to 273,971.81, 378,092.78 and 153,113.10 is: 211,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,971.81 : 378,092.78 = 153,113.10 : x
  2. Step 2: Convert to fraction form
    273,971.81/378,092.78 = 153,113.10/x
  3. Step 3: Cross multiply
    273,971.81x = 378,092.78 × 153,113.10
  4. Step 4: Simplify right side
    273,971.81x = 57,890,955,168.78
  5. Step 5: Solve for x
    x = 57,890,955,168.78/273,971.81
  6. Step 6: Final answer
    x = 211,302.60

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1.5x scale

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.