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Finding the Fourth Proportional to 122,888.34, 169,584.03 and 69,173.19

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Solution

The fourth proportional to 122,888.34, 169,584.03 and 69,173.19 is: 95,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,888.34 : 169,584.03 = 69,173.19 : x
  2. Step 2: Convert to fraction form
    122,888.34/169,584.03 = 69,173.19/x
  3. Step 3: Cross multiply
    122,888.34x = 169,584.03 × 69,173.19
  4. Step 4: Simplify right side
    122,888.34x = 11,730,668,328.16
  5. Step 5: Solve for x
    x = 11,730,668,328.16/122,888.34
  6. Step 6: Final answer
    x = 95,457.94

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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.