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Finding the Fourth Proportional to 157,433.60, 236,150.40 and 64,006.40

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Solution

The fourth proportional to 157,433.60, 236,150.40 and 64,006.40 is: 96,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,433.60 : 236,150.40 = 64,006.40 : x
  2. Step 2: Convert to fraction form
    157,433.60/236,150.40 = 64,006.40/x
  3. Step 3: Cross multiply
    157,433.60x = 236,150.40 × 64,006.40
  4. Step 4: Simplify right side
    157,433.60x = 15,115,136,962.56
  5. Step 5: Solve for x
    x = 15,115,136,962.56/157,433.60
  6. Step 6: Final answer
    x = 96,009.60

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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.