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Finding the Fourth Proportional to 117,656.48, 176,486.55 and 37,709.48

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Solution

The fourth proportional to 117,656.48, 176,486.55 and 37,709.48 is: 56,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,656.48 : 176,486.55 = 37,709.48 : x
  2. Step 2: Convert to fraction form
    117,656.48/176,486.55 = 37,709.48/x
  3. Step 3: Cross multiply
    117,656.48x = 176,486.55 × 37,709.48
  4. Step 4: Simplify right side
    117,656.48x = 6,655,216,327.30
  5. Step 5: Solve for x
    x = 6,655,216,327.30/117,656.48
  6. Step 6: Final answer
    x = 56,564.81

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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.