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Finding the Fourth Proportional to 210,598.74, 290,626.20 and 119,963.10

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Solution

The fourth proportional to 210,598.74, 290,626.20 and 119,963.10 is: 165,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,598.74 : 290,626.20 = 119,963.10 : x
  2. Step 2: Convert to fraction form
    210,598.74/290,626.20 = 119,963.10/x
  3. Step 3: Cross multiply
    210,598.74x = 290,626.20 × 119,963.10
  4. Step 4: Simplify right side
    210,598.74x = 34,864,419,893.22
  5. Step 5: Solve for x
    x = 34,864,419,893.22/210,598.74
  6. Step 6: Final answer
    x = 165,549.04

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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.