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Finding the Fourth Proportional to 157,440.40, 236,160.60 and 151,316.80

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Solution

The fourth proportional to 157,440.40, 236,160.60 and 151,316.80 is: 226,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,440.40 : 236,160.60 = 151,316.80 : x
  2. Step 2: Convert to fraction form
    157,440.40/236,160.60 = 151,316.80/x
  3. Step 3: Cross multiply
    157,440.40x = 236,160.60 × 151,316.80
  4. Step 4: Simplify right side
    157,440.40x = 35,735,066,278.08
  5. Step 5: Solve for x
    x = 35,735,066,278.08/157,440.40
  6. Step 6: Final answer
    x = 226,975.20

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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.