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Finding the Fourth Proportional to 119,244.98, 164,522.16 and 71,480.90

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Solution

The fourth proportional to 119,244.98, 164,522.16 and 71,480.90 is: 98,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,244.98 : 164,522.16 = 71,480.90 : x
  2. Step 2: Convert to fraction form
    119,244.98/164,522.16 = 71,480.90/x
  3. Step 3: Cross multiply
    119,244.98x = 164,522.16 × 71,480.90
  4. Step 4: Simplify right side
    119,244.98x = 11,760,192,066.74
  5. Step 5: Solve for x
    x = 11,760,192,066.74/119,244.98
  6. Step 6: Final answer
    x = 98,622.11

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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.