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Finding the Fourth Proportional to 359,244.72, 538,978.93 and 106,526.54

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Solution

The fourth proportional to 359,244.72, 538,978.93 and 106,526.54 is: 159,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,244.72 : 538,978.93 = 106,526.54 : x
  2. Step 2: Convert to fraction form
    359,244.72/538,978.93 = 106,526.54/x
  3. Step 3: Cross multiply
    359,244.72x = 538,978.93 × 106,526.54
  4. Step 4: Simplify right side
    359,244.72x = 57,415,561,626.93
  5. Step 5: Solve for x
    x = 57,415,561,626.93/359,244.72
  6. Step 6: Final answer
    x = 159,822.98

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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.