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Finding the Fourth Proportional to 178,907.81, 246,889.80 and 98,333.51

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Solution

The fourth proportional to 178,907.81, 246,889.80 and 98,333.51 is: 135,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,907.81 : 246,889.80 = 98,333.51 : x
  2. Step 2: Convert to fraction form
    178,907.81/246,889.80 = 98,333.51/x
  3. Step 3: Cross multiply
    178,907.81x = 246,889.80 × 98,333.51
  4. Step 4: Simplify right side
    178,907.81x = 24,277,539,382.75
  5. Step 5: Solve for x
    x = 24,277,539,382.75/178,907.81
  6. Step 6: Final answer
    x = 135,698.60

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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.