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Finding the Fourth Proportional to 224,920.04, 310,389.62 and 122,945.90

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Solution

The fourth proportional to 224,920.04, 310,389.62 and 122,945.90 is: 169,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,920.04 : 310,389.62 = 122,945.90 : x
  2. Step 2: Convert to fraction form
    224,920.04/310,389.62 = 122,945.90/x
  3. Step 3: Cross multiply
    224,920.04x = 310,389.62 × 122,945.90
  4. Step 4: Simplify right side
    224,920.04x = 38,161,129,014.88
  5. Step 5: Solve for x
    x = 38,161,129,014.88/224,920.04
  6. Step 6: Final answer
    x = 169,665.32

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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.