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Finding the Fourth Proportional to 157,901.86, 236,852.79 and 64,414.90

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Solution

The fourth proportional to 157,901.86, 236,852.79 and 64,414.90 is: 96,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,901.86 : 236,852.79 = 64,414.90 : x
  2. Step 2: Convert to fraction form
    157,901.86/236,852.79 = 64,414.90/x
  3. Step 3: Cross multiply
    157,901.86x = 236,852.79 × 64,414.90
  4. Step 4: Simplify right side
    157,901.86x = 15,256,848,782.57
  5. Step 5: Solve for x
    x = 15,256,848,782.57/157,901.86
  6. Step 6: Final answer
    x = 96,622.35

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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.