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Finding the Fourth Proportional to 210,215.04, 290,103.54 and 119,568.67

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Solution

The fourth proportional to 210,215.04, 290,103.54 and 119,568.67 is: 165,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,215.04 : 290,103.54 = 119,568.67 : x
  2. Step 2: Convert to fraction form
    210,215.04/290,103.54 = 119,568.67/x
  3. Step 3: Cross multiply
    210,215.04x = 290,103.54 × 119,568.67
  4. Step 4: Simplify right side
    210,215.04x = 34,687,294,440.09
  5. Step 5: Solve for x
    x = 34,687,294,440.09/210,215.04
  6. Step 6: Final answer
    x = 165,008.62

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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.