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Finding the Fourth Proportional to 178,376.16, 246,170.16 and 98,888.16

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Solution

The fourth proportional to 178,376.16, 246,170.16 and 98,888.16 is: 136,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,376.16 : 246,170.16 = 98,888.16 : x
  2. Step 2: Convert to fraction form
    178,376.16/246,170.16 = 98,888.16/x
  3. Step 3: Cross multiply
    178,376.16x = 246,170.16 × 98,888.16
  4. Step 4: Simplify right side
    178,376.16x = 24,343,314,169.31
  5. Step 5: Solve for x
    x = 24,343,314,169.31/178,376.16
  6. Step 6: Final answer
    x = 136,471.79

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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.