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Finding the Fourth Proportional to 158,961, 238,550.86 and 65,466.76

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Solution

The fourth proportional to 158,961, 238,550.86 and 65,466.76 is: 98,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,961 : 238,550.86 = 65,466.76 : x
  2. Step 2: Convert to fraction form
    158,961/238,550.86 = 65,466.76/x
  3. Step 3: Cross multiply
    158,961x = 238,550.86 × 65,466.76
  4. Step 4: Simplify right side
    158,961x = 15,617,151,899.41
  5. Step 5: Solve for x
    x = 15,617,151,899.41/158,961
  6. Step 6: Final answer
    x = 98,245.18

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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.