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Finding the Fourth Proportional to 178,574.56, 246,435.94 and 98,009.58

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Solution

The fourth proportional to 178,574.56, 246,435.94 and 98,009.58 is: 135,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,574.56 : 246,435.94 = 98,009.58 : x
  2. Step 2: Convert to fraction form
    178,574.56/246,435.94 = 98,009.58/x
  3. Step 3: Cross multiply
    178,574.56x = 246,435.94 × 98,009.58
  4. Step 4: Simplify right side
    178,574.56x = 24,153,082,976.31
  5. Step 5: Solve for x
    x = 24,153,082,976.31/178,574.56
  6. Step 6: Final answer
    x = 135,254.89

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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.