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Finding the Fourth Proportional to 359,030.34, 538,543.89 and 92,768.22

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Solution

The fourth proportional to 359,030.34, 538,543.89 and 92,768.22 is: 139,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,030.34 : 538,543.89 = 92,768.22 : x
  2. Step 2: Convert to fraction form
    359,030.34/538,543.89 = 92,768.22/x
  3. Step 3: Cross multiply
    359,030.34x = 538,543.89 × 92,768.22
  4. Step 4: Simplify right side
    359,030.34x = 49,959,758,067.18
  5. Step 5: Solve for x
    x = 49,959,758,067.18/359,030.34
  6. Step 6: Final answer
    x = 139,151.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.