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Finding the Fourth Proportional to 169,643.59, 254,474.14 and 43,284.94

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Solution

The fourth proportional to 169,643.59, 254,474.14 and 43,284.94 is: 64,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,643.59 : 254,474.14 = 43,284.94 : x
  2. Step 2: Convert to fraction form
    169,643.59/254,474.14 = 43,284.94/x
  3. Step 3: Cross multiply
    169,643.59x = 254,474.14 × 43,284.94
  4. Step 4: Simplify right side
    169,643.59x = 11,014,897,881.45
  5. Step 5: Solve for x
    x = 11,014,897,881.45/169,643.59
  6. Step 6: Final answer
    x = 64,929.64

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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.