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Finding the Fourth Proportional to 180,440.90, 248,838.08 and 134,601.74

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Solution

The fourth proportional to 180,440.90, 248,838.08 and 134,601.74 is: 185,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,440.90 : 248,838.08 = 134,601.74 : x
  2. Step 2: Convert to fraction form
    180,440.90/248,838.08 = 134,601.74/x
  3. Step 3: Cross multiply
    180,440.90x = 248,838.08 × 134,601.74
  4. Step 4: Simplify right side
    180,440.90x = 33,494,036,629.06
  5. Step 5: Solve for x
    x = 33,494,036,629.06/180,440.90
  6. Step 6: Final answer
    x = 185,623.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.