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Finding the Fourth Proportional to 157,564.40, 236,346.60 and 151,440.80

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Solution

The fourth proportional to 157,564.40, 236,346.60 and 151,440.80 is: 227,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,564.40 : 236,346.60 = 151,440.80 : x
  2. Step 2: Convert to fraction form
    157,564.40/236,346.60 = 151,440.80/x
  3. Step 3: Cross multiply
    157,564.40x = 236,346.60 × 151,440.80
  4. Step 4: Simplify right side
    157,564.40x = 35,792,518,181.28
  5. Step 5: Solve for x
    x = 35,792,518,181.28/157,564.40
  6. Step 6: Final answer
    x = 227,161.20

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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.