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Finding the Fourth Proportional to 183,656.60, 275,591.26 and 77,031.07

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Solution

The fourth proportional to 183,656.60, 275,591.26 and 77,031.07 is: 115,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,656.60 : 275,591.26 = 77,031.07 : x
  2. Step 2: Convert to fraction form
    183,656.60/275,591.26 = 77,031.07/x
  3. Step 3: Cross multiply
    183,656.60x = 275,591.26 × 77,031.07
  4. Step 4: Simplify right side
    183,656.60x = 21,229,089,047.76
  5. Step 5: Solve for x
    x = 21,229,089,047.76/183,656.60
  6. Step 6: Final answer
    x = 115,591.21

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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.