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Finding the Fourth Proportional to 210,173.01, 290,045.15 and 119,542.03

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Solution

The fourth proportional to 210,173.01, 290,045.15 and 119,542.03 is: 164,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,173.01 : 290,045.15 = 119,542.03 : x
  2. Step 2: Convert to fraction form
    210,173.01/290,045.15 = 119,542.03/x
  3. Step 3: Cross multiply
    210,173.01x = 290,045.15 × 119,542.03
  4. Step 4: Simplify right side
    210,173.01x = 34,672,585,820.54
  5. Step 5: Solve for x
    x = 34,672,585,820.54/210,173.01
  6. Step 6: Final answer
    x = 164,971.64

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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.