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Finding the Fourth Proportional to 169,430.56, 233,808.20 and 93,986.08

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Solution

The fourth proportional to 169,430.56, 233,808.20 and 93,986.08 is: 129,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,430.56 : 233,808.20 = 93,986.08 : x
  2. Step 2: Convert to fraction form
    169,430.56/233,808.20 = 93,986.08/x
  3. Step 3: Cross multiply
    169,430.56x = 233,808.20 × 93,986.08
  4. Step 4: Simplify right side
    169,430.56x = 21,974,716,189.86
  5. Step 5: Solve for x
    x = 21,974,716,189.86/169,430.56
  6. Step 6: Final answer
    x = 129,697.48

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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.