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Finding the Fourth Proportional to 218,987.35, 302,223.73 and 132,926.54

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Solution

The fourth proportional to 218,987.35, 302,223.73 and 132,926.54 is: 183,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,987.35 : 302,223.73 = 132,926.54 : x
  2. Step 2: Convert to fraction form
    218,987.35/302,223.73 = 132,926.54/x
  3. Step 3: Cross multiply
    218,987.35x = 302,223.73 × 132,926.54
  4. Step 4: Simplify right side
    218,987.35x = 40,173,556,064.47
  5. Step 5: Solve for x
    x = 40,173,556,064.47/218,987.35
  6. Step 6: Final answer
    x = 183,451.49

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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.