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Finding the Fourth Proportional to 116,551.71, 174,827.57 and 77,099.60

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Solution

The fourth proportional to 116,551.71, 174,827.57 and 77,099.60 is: 115,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,551.71 : 174,827.57 = 77,099.60 : x
  2. Step 2: Convert to fraction form
    116,551.71/174,827.57 = 77,099.60/x
  3. Step 3: Cross multiply
    116,551.71x = 174,827.57 × 77,099.60
  4. Step 4: Simplify right side
    116,551.71x = 13,479,134,456.34
  5. Step 5: Solve for x
    x = 13,479,134,456.34/116,551.71
  6. Step 6: Final answer
    x = 115,649.39

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1.5x scale

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.