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Finding the Fourth Proportional to 169,477.34, 254,216.32 and 69,567.90

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Solution

The fourth proportional to 169,477.34, 254,216.32 and 69,567.90 is: 104,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,477.34 : 254,216.32 = 69,567.90 : x
  2. Step 2: Convert to fraction form
    169,477.34/254,216.32 = 69,567.90/x
  3. Step 3: Cross multiply
    169,477.34x = 254,216.32 × 69,567.90
  4. Step 4: Simplify right side
    169,477.34x = 17,685,295,528.13
  5. Step 5: Solve for x
    x = 17,685,295,528.13/169,477.34
  6. Step 6: Final answer
    x = 104,351.98

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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.