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Finding the Fourth Proportional to 224,885.85, 310,341.74 and 122,911.31

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Solution

The fourth proportional to 224,885.85, 310,341.74 and 122,911.31 is: 169,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,885.85 : 310,341.74 = 122,911.31 : x
  2. Step 2: Convert to fraction form
    224,885.85/310,341.74 = 122,911.31/x
  3. Step 3: Cross multiply
    224,885.85x = 310,341.74 × 122,911.31
  4. Step 4: Simplify right side
    224,885.85x = 38,144,508,566.65
  5. Step 5: Solve for x
    x = 38,144,508,566.65/224,885.85
  6. Step 6: Final answer
    x = 169,617.20

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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.