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Finding the Fourth Proportional to 169,880.60, 254,893.80 and 86,774.60

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Solution

The fourth proportional to 169,880.60, 254,893.80 and 86,774.60 is: 130,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,880.60 : 254,893.80 = 86,774.60 : x
  2. Step 2: Convert to fraction form
    169,880.60/254,893.80 = 86,774.60/x
  3. Step 3: Cross multiply
    169,880.60x = 254,893.80 × 86,774.60
  4. Step 4: Simplify right side
    169,880.60x = 22,118,307,537.48
  5. Step 5: Solve for x
    x = 22,118,307,537.48/169,880.60
  6. Step 6: Final answer
    x = 130,199.14

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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.