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Finding the Fourth Proportional to 157,648.40, 236,472.60 and 151,427.60

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Solution

The fourth proportional to 157,648.40, 236,472.60 and 151,427.60 is: 227,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,648.40 : 236,472.60 = 151,427.60 : x
  2. Step 2: Convert to fraction form
    157,648.40/236,472.60 = 151,427.60/x
  3. Step 3: Cross multiply
    157,648.40x = 236,472.60 × 151,427.60
  4. Step 4: Simplify right side
    157,648.40x = 35,808,478,283.76
  5. Step 5: Solve for x
    x = 35,808,478,283.76/157,648.40
  6. Step 6: Final answer
    x = 227,141.40

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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.