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Finding the Fourth Proportional to 190,246.88, 262,376.88 and 118,552.16

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Solution

The fourth proportional to 190,246.88, 262,376.88 and 118,552.16 is: 163,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,246.88 : 262,376.88 = 118,552.16 : x
  2. Step 2: Convert to fraction form
    190,246.88/262,376.88 = 118,552.16/x
  3. Step 3: Cross multiply
    190,246.88x = 262,376.88 × 118,552.16
  4. Step 4: Simplify right side
    190,246.88x = 31,105,345,858.06
  5. Step 5: Solve for x
    x = 31,105,345,858.06/190,246.88
  6. Step 6: Final answer
    x = 163,499.90

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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.