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Finding the Fourth Proportional to 180,261.70, 248,495.90 and 141,898.34

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Solution

The fourth proportional to 180,261.70, 248,495.90 and 141,898.34 is: 195,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,261.70 : 248,495.90 = 141,898.34 : x
  2. Step 2: Convert to fraction form
    180,261.70/248,495.90 = 141,898.34/x
  3. Step 3: Cross multiply
    180,261.70x = 248,495.90 × 141,898.34
  4. Step 4: Simplify right side
    180,261.70x = 35,261,155,706.81
  5. Step 5: Solve for x
    x = 35,261,155,706.81/180,261.70
  6. Step 6: Final answer
    x = 195,610.91

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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.