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Finding the Fourth Proportional to 169,718.36, 254,577.56 and 43,358.90

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Solution

The fourth proportional to 169,718.36, 254,577.56 and 43,358.90 is: 65,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,718.36 : 254,577.56 = 43,358.90 : x
  2. Step 2: Convert to fraction form
    169,718.36/254,577.56 = 43,358.90/x
  3. Step 3: Cross multiply
    169,718.36x = 254,577.56 × 43,358.90
  4. Step 4: Simplify right side
    169,718.36x = 11,038,201,476.60
  5. Step 5: Solve for x
    x = 11,038,201,476.60/169,718.36
  6. Step 6: Final answer
    x = 65,038.35

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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.