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Finding the Fourth Proportional to 116,561.20, 174,841.80 and 93,233.20

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Solution

The fourth proportional to 116,561.20, 174,841.80 and 93,233.20 is: 139,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,561.20 : 174,841.80 = 93,233.20 : x
  2. Step 2: Convert to fraction form
    116,561.20/174,841.80 = 93,233.20/x
  3. Step 3: Cross multiply
    116,561.20x = 174,841.80 × 93,233.20
  4. Step 4: Simplify right side
    116,561.20x = 16,301,060,507.76
  5. Step 5: Solve for x
    x = 16,301,060,507.76/116,561.20
  6. Step 6: Final answer
    x = 139,849.80

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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.