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Finding the Fourth Proportional to 118,492.61, 177,739.25 and 34,259.63

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Solution

The fourth proportional to 118,492.61, 177,739.25 and 34,259.63 is: 51,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,492.61 : 177,739.25 = 34,259.63 : x
  2. Step 2: Convert to fraction form
    118,492.61/177,739.25 = 34,259.63/x
  3. Step 3: Cross multiply
    118,492.61x = 177,739.25 × 34,259.63
  4. Step 4: Simplify right side
    118,492.61x = 6,089,279,881.48
  5. Step 5: Solve for x
    x = 6,089,279,881.48/118,492.61
  6. Step 6: Final answer
    x = 51,389.54

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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.