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Finding the Fourth Proportional to 355,897.48, 533,736.36 and 103,196.59

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Solution

The fourth proportional to 355,897.48, 533,736.36 and 103,196.59 is: 154,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,897.48 : 533,736.36 = 103,196.59 : x
  2. Step 2: Convert to fraction form
    355,897.48/533,736.36 = 103,196.59/x
  3. Step 3: Cross multiply
    355,897.48x = 533,736.36 × 103,196.59
  4. Step 4: Simplify right side
    355,897.48x = 55,079,772,053.02
  5. Step 5: Solve for x
    x = 55,079,772,053.02/355,897.48
  6. Step 6: Final answer
    x = 154,763.03

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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.