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Finding the Fourth Proportional to 154,912.60, 232,368.90 and 118,048.60

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Solution

The fourth proportional to 154,912.60, 232,368.90 and 118,048.60 is: 177,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,912.60 : 232,368.90 = 118,048.60 : x
  2. Step 2: Convert to fraction form
    154,912.60/232,368.90 = 118,048.60/x
  3. Step 3: Cross multiply
    154,912.60x = 232,368.90 × 118,048.60
  4. Step 4: Simplify right side
    154,912.60x = 27,430,823,328.54
  5. Step 5: Solve for x
    x = 27,430,823,328.54/154,912.60
  6. Step 6: Final answer
    x = 177,072.90

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1.5x scale

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.