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Finding the Fourth Proportional to 70,245.42, 105,368.01 and 32,792.94

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Solution

The fourth proportional to 70,245.42, 105,368.01 and 32,792.94 is: 49,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,245.42 : 105,368.01 = 32,792.94 : x
  2. Step 2: Convert to fraction form
    70,245.42/105,368.01 = 32,792.94/x
  3. Step 3: Cross multiply
    70,245.42x = 105,368.01 × 32,792.94
  4. Step 4: Simplify right side
    70,245.42x = 3,455,326,829.85
  5. Step 5: Solve for x
    x = 3,455,326,829.85/70,245.42
  6. Step 6: Final answer
    x = 49,189.35

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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.