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Finding the Fourth Proportional to 177,615.68, 266,528.60 and 65,374.72

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Solution

The fourth proportional to 177,615.68, 266,528.60 and 65,374.72 is: 98,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,615.68 : 266,528.60 = 65,374.72 : x
  2. Step 2: Convert to fraction form
    177,615.68/266,528.60 = 65,374.72/x
  3. Step 3: Cross multiply
    177,615.68x = 266,528.60 × 65,374.72
  4. Step 4: Simplify right side
    177,615.68x = 17,424,232,596.99
  5. Step 5: Solve for x
    x = 17,424,232,596.99/177,615.68
  6. Step 6: Final answer
    x = 98,100.76

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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.