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Finding the Fourth Proportional to 224,392.76, 309,661.99 and 123,790.76

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Solution

The fourth proportional to 224,392.76, 309,661.99 and 123,790.76 is: 170,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,392.76 : 309,661.99 = 123,790.76 : x
  2. Step 2: Convert to fraction form
    224,392.76/309,661.99 = 123,790.76/x
  3. Step 3: Cross multiply
    224,392.76x = 309,661.99 × 123,790.76
  4. Step 4: Simplify right side
    224,392.76x = 38,333,293,085.21
  5. Step 5: Solve for x
    x = 38,333,293,085.21/224,392.76
  6. Step 6: Final answer
    x = 170,831.24

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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.