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Finding the Fourth Proportional to 157,358.60, 236,136.32 and 63,864.35

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Solution

The fourth proportional to 157,358.60, 236,136.32 and 63,864.35 is: 95,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,358.60 : 236,136.32 = 63,864.35 : x
  2. Step 2: Convert to fraction form
    157,358.60/236,136.32 = 63,864.35/x
  3. Step 3: Cross multiply
    157,358.60x = 236,136.32 × 63,864.35
  4. Step 4: Simplify right side
    157,358.60x = 15,080,692,268.87
  5. Step 5: Solve for x
    x = 15,080,692,268.87/157,358.60
  6. Step 6: Final answer
    x = 95,836.47

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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.