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Finding the Fourth Proportional to 91,307.96, 126,017.50 and 52,544.98

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Solution

The fourth proportional to 91,307.96, 126,017.50 and 52,544.98 is: 72,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,307.96 : 126,017.50 = 52,544.98 : x
  2. Step 2: Convert to fraction form
    91,307.96/126,017.50 = 52,544.98/x
  3. Step 3: Cross multiply
    91,307.96x = 126,017.50 × 52,544.98
  4. Step 4: Simplify right side
    91,307.96x = 6,621,587,017.15
  5. Step 5: Solve for x
    x = 6,621,587,017.15/91,307.96
  6. Step 6: Final answer
    x = 72,519.27

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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.