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Finding the Fourth Proportional to 157,612.32, 236,214.48 and 64,009.44

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Solution

The fourth proportional to 157,612.32, 236,214.48 and 64,009.44 is: 95,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,612.32 : 236,214.48 = 64,009.44 : x
  2. Step 2: Convert to fraction form
    157,612.32/236,214.48 = 64,009.44/x
  3. Step 3: Cross multiply
    157,612.32x = 236,214.48 × 64,009.44
  4. Step 4: Simplify right side
    157,612.32x = 15,119,956,584.69
  5. Step 5: Solve for x
    x = 15,119,956,584.69/157,612.32
  6. Step 6: Final answer
    x = 95,931.31

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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.