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Finding the Fourth Proportional to 114,336.36, 157,788.90 and 64,035.72

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Solution

The fourth proportional to 114,336.36, 157,788.90 and 64,035.72 is: 88,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,336.36 : 157,788.90 = 64,035.72 : x
  2. Step 2: Convert to fraction form
    114,336.36/157,788.90 = 64,035.72/x
  3. Step 3: Cross multiply
    114,336.36x = 157,788.90 × 64,035.72
  4. Step 4: Simplify right side
    114,336.36x = 10,104,125,819.51
  5. Step 5: Solve for x
    x = 10,104,125,819.51/114,336.36
  6. Step 6: Final answer
    x = 88,371.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.