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Finding the Fourth Proportional to 210,167.68, 290,037.79 and 119,536.69

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Solution

The fourth proportional to 210,167.68, 290,037.79 and 119,536.69 is: 164,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,167.68 : 290,037.79 = 119,536.69 : x
  2. Step 2: Convert to fraction form
    210,167.68/290,037.79 = 119,536.69/x
  3. Step 3: Cross multiply
    210,167.68x = 290,037.79 × 119,536.69
  4. Step 4: Simplify right side
    210,167.68x = 34,670,157,391.52
  5. Step 5: Solve for x
    x = 34,670,157,391.52/210,167.68
  6. Step 6: Final answer
    x = 164,964.27

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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.