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Finding the Fourth Proportional to 99,810.96, 137,756.88 and 59,527.44

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Solution

The fourth proportional to 99,810.96, 137,756.88 and 59,527.44 is: 82,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,810.96 : 137,756.88 = 59,527.44 : x
  2. Step 2: Convert to fraction form
    99,810.96/137,756.88 = 59,527.44/x
  3. Step 3: Cross multiply
    99,810.96x = 137,756.88 × 59,527.44
  4. Step 4: Simplify right side
    99,810.96x = 8,200,314,408.79
  5. Step 5: Solve for x
    x = 8,200,314,408.79/99,810.96
  6. Step 6: Final answer
    x = 82,158.46

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1.5x scale

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.