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Finding the Fourth Proportional to 143,393.74, 215,094.69 and 48,624.19

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Solution

The fourth proportional to 143,393.74, 215,094.69 and 48,624.19 is: 72,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,393.74 : 215,094.69 = 48,624.19 : x
  2. Step 2: Convert to fraction form
    143,393.74/215,094.69 = 48,624.19/x
  3. Step 3: Cross multiply
    143,393.74x = 215,094.69 × 48,624.19
  4. Step 4: Simplify right side
    143,393.74x = 10,458,804,536.81
  5. Step 5: Solve for x
    x = 10,458,804,536.81/143,393.74
  6. Step 6: Final answer
    x = 72,937.67

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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.