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Finding the Fourth Proportional to 273,499.56, 377,478.80 and 163,125.29

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Solution

The fourth proportional to 273,499.56, 377,478.80 and 163,125.29 is: 225,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,499.56 : 377,478.80 = 163,125.29 : x
  2. Step 2: Convert to fraction form
    273,499.56/377,478.80 = 163,125.29/x
  3. Step 3: Cross multiply
    273,499.56x = 377,478.80 × 163,125.29
  4. Step 4: Simplify right side
    273,499.56x = 61,576,336,831.46
  5. Step 5: Solve for x
    x = 61,576,336,831.46/273,499.56
  6. Step 6: Final answer
    x = 225,142.36

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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.