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Finding the Fourth Proportional to 178,379.74, 246,162.27 and 97,807.10

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Solution

The fourth proportional to 178,379.74, 246,162.27 and 97,807.10 is: 134,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,379.74 : 246,162.27 = 97,807.10 : x
  2. Step 2: Convert to fraction form
    178,379.74/246,162.27 = 97,807.10/x
  3. Step 3: Cross multiply
    178,379.74x = 246,162.27 × 97,807.10
  4. Step 4: Simplify right side
    178,379.74x = 24,076,416,068.83
  5. Step 5: Solve for x
    x = 24,076,416,068.83/178,379.74
  6. Step 6: Final answer
    x = 134,972.81

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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.