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Finding the Fourth Proportional to 359,448.10, 539,284.01 and 106,729.91

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Solution

The fourth proportional to 359,448.10, 539,284.01 and 106,729.91 is: 160,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,448.10 : 539,284.01 = 106,729.91 : x
  2. Step 2: Convert to fraction form
    359,448.10/539,284.01 = 106,729.91/x
  3. Step 3: Cross multiply
    359,448.10x = 539,284.01 × 106,729.91
  4. Step 4: Simplify right side
    359,448.10x = 57,557,735,466.77
  5. Step 5: Solve for x
    x = 57,557,735,466.77/359,448.10
  6. Step 6: Final answer
    x = 160,128.08

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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.