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Finding the Fourth Proportional to 210,682.29, 290,670.34 and 119,973.95

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Solution

The fourth proportional to 210,682.29, 290,670.34 and 119,973.95 is: 165,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,682.29 : 290,670.34 = 119,973.95 : x
  2. Step 2: Convert to fraction form
    210,682.29/290,670.34 = 119,973.95/x
  3. Step 3: Cross multiply
    210,682.29x = 290,670.34 × 119,973.95
  4. Step 4: Simplify right side
    210,682.29x = 34,872,867,084.36
  5. Step 5: Solve for x
    x = 34,872,867,084.36/210,682.29
  6. Step 6: Final answer
    x = 165,523.49

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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.