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Finding the Fourth Proportional to 157,505.60, 236,258.40 and 148,976.30

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Solution

The fourth proportional to 157,505.60, 236,258.40 and 148,976.30 is: 223,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,505.60 : 236,258.40 = 148,976.30 : x
  2. Step 2: Convert to fraction form
    157,505.60/236,258.40 = 148,976.30/x
  3. Step 3: Cross multiply
    157,505.60x = 236,258.40 × 148,976.30
  4. Step 4: Simplify right side
    157,505.60x = 35,196,902,275.92
  5. Step 5: Solve for x
    x = 35,196,902,275.92/157,505.60
  6. Step 6: Final answer
    x = 223,464.45

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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.