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Finding the Fourth Proportional to 176,026.40, 264,039.60 and 57,709.70

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Solution

The fourth proportional to 176,026.40, 264,039.60 and 57,709.70 is: 86,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,026.40 : 264,039.60 = 57,709.70 : x
  2. Step 2: Convert to fraction form
    176,026.40/264,039.60 = 57,709.70/x
  3. Step 3: Cross multiply
    176,026.40x = 264,039.60 × 57,709.70
  4. Step 4: Simplify right side
    176,026.40x = 15,237,646,104.12
  5. Step 5: Solve for x
    x = 15,237,646,104.12/176,026.40
  6. Step 6: Final answer
    x = 86,564.55

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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.