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Finding the Fourth Proportional to 91,148.60, 125,764.99 and 52,885.98

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Solution

The fourth proportional to 91,148.60, 125,764.99 and 52,885.98 is: 72,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,148.60 : 125,764.99 = 52,885.98 : x
  2. Step 2: Convert to fraction form
    91,148.60/125,764.99 = 52,885.98/x
  3. Step 3: Cross multiply
    91,148.60x = 125,764.99 × 52,885.98
  4. Step 4: Simplify right side
    91,148.60x = 6,651,204,613.63
  5. Step 5: Solve for x
    x = 6,651,204,613.63/91,148.60
  6. Step 6: Final answer
    x = 72,971.00

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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.