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Finding the Fourth Proportional to 212,365.51, 293,058.49 and 120,501.52

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Solution

The fourth proportional to 212,365.51, 293,058.49 and 120,501.52 is: 166,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,365.51 : 293,058.49 = 120,501.52 : x
  2. Step 2: Convert to fraction form
    212,365.51/293,058.49 = 120,501.52/x
  3. Step 3: Cross multiply
    212,365.51x = 293,058.49 × 120,501.52
  4. Step 4: Simplify right side
    212,365.51x = 35,313,993,493.90
  5. Step 5: Solve for x
    x = 35,313,993,493.90/212,365.51
  6. Step 6: Final answer
    x = 166,288.74

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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.