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Finding the Fourth Proportional to 111,690.32, 167,547.72 and 48,466.98

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Solution

The fourth proportional to 111,690.32, 167,547.72 and 48,466.98 is: 72,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,690.32 : 167,547.72 = 48,466.98 : x
  2. Step 2: Convert to fraction form
    111,690.32/167,547.72 = 48,466.98/x
  3. Step 3: Cross multiply
    111,690.32x = 167,547.72 × 48,466.98
  4. Step 4: Simplify right side
    111,690.32x = 8,120,532,176.04
  5. Step 5: Solve for x
    x = 8,120,532,176.04/111,690.32
  6. Step 6: Final answer
    x = 72,705.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.