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Finding the Fourth Proportional to 238,457.16, 329,064.28 and 131,027.16

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Solution

The fourth proportional to 238,457.16, 329,064.28 and 131,027.16 is: 180,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,457.16 : 329,064.28 = 131,027.16 : x
  2. Step 2: Convert to fraction form
    238,457.16/329,064.28 = 131,027.16/x
  3. Step 3: Cross multiply
    238,457.16x = 329,064.28 × 131,027.16
  4. Step 4: Simplify right side
    238,457.16x = 43,116,358,065.84
  5. Step 5: Solve for x
    x = 43,116,358,065.84/238,457.16
  6. Step 6: Final answer
    x = 180,813.85

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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.