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Finding the Fourth Proportional to 210,035.84, 289,846.55 and 114,542.51

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Solution

The fourth proportional to 210,035.84, 289,846.55 and 114,542.51 is: 158,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,035.84 : 289,846.55 = 114,542.51 : x
  2. Step 2: Convert to fraction form
    210,035.84/289,846.55 = 114,542.51/x
  3. Step 3: Cross multiply
    210,035.84x = 289,846.55 × 114,542.51
  4. Step 4: Simplify right side
    210,035.84x = 33,199,750,188.96
  5. Step 5: Solve for x
    x = 33,199,750,188.96/210,035.84
  6. Step 6: Final answer
    x = 158,067.08

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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.