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Finding the Fourth Proportional to 169,987.60, 254,981.40 and 59,179.60

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Solution

The fourth proportional to 169,987.60, 254,981.40 and 59,179.60 is: 88,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,987.60 : 254,981.40 = 59,179.60 : x
  2. Step 2: Convert to fraction form
    169,987.60/254,981.40 = 59,179.60/x
  3. Step 3: Cross multiply
    169,987.60x = 254,981.40 × 59,179.60
  4. Step 4: Simplify right side
    169,987.60x = 15,089,697,259.44
  5. Step 5: Solve for x
    x = 15,089,697,259.44/169,987.60
  6. Step 6: Final answer
    x = 88,769.40

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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.