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Finding the Fourth Proportional to 210,593.77, 290,526.15 and 125,661.76

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Solution

The fourth proportional to 210,593.77, 290,526.15 and 125,661.76 is: 173,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,593.77 : 290,526.15 = 125,661.76 : x
  2. Step 2: Convert to fraction form
    210,593.77/290,526.15 = 125,661.76/x
  3. Step 3: Cross multiply
    210,593.77x = 290,526.15 × 125,661.76
  4. Step 4: Simplify right side
    210,593.77x = 36,508,027,335.02
  5. Step 5: Solve for x
    x = 36,508,027,335.02/210,593.77
  6. Step 6: Final answer
    x = 173,357.58

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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.