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Finding the Fourth Proportional to 142,885.85, 214,284.96 and 98,795.93

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Solution

The fourth proportional to 142,885.85, 214,284.96 and 98,795.93 is: 148,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,885.85 : 214,284.96 = 98,795.93 : x
  2. Step 2: Convert to fraction form
    142,885.85/214,284.96 = 98,795.93/x
  3. Step 3: Cross multiply
    142,885.85x = 214,284.96 × 98,795.93
  4. Step 4: Simplify right side
    142,885.85x = 21,170,480,836.79
  5. Step 5: Solve for x
    x = 21,170,480,836.79/142,885.85
  6. Step 6: Final answer
    x = 148,163.60

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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.