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Finding the Fourth Proportional to 161,950.19, 223,431.01 and 93,929.02

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Solution

The fourth proportional to 161,950.19, 223,431.01 and 93,929.02 is: 129,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,950.19 : 223,431.01 = 93,929.02 : x
  2. Step 2: Convert to fraction form
    161,950.19/223,431.01 = 93,929.02/x
  3. Step 3: Cross multiply
    161,950.19x = 223,431.01 × 93,929.02
  4. Step 4: Simplify right side
    161,950.19x = 20,986,655,806.91
  5. Step 5: Solve for x
    x = 20,986,655,806.91/161,950.19
  6. Step 6: Final answer
    x = 129,587.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.