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Finding the Fourth Proportional to 91,216.98, 125,846.19 and 53,483.94

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Solution

The fourth proportional to 91,216.98, 125,846.19 and 53,483.94 is: 73,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,216.98 : 125,846.19 = 53,483.94 : x
  2. Step 2: Convert to fraction form
    91,216.98/125,846.19 = 53,483.94/x
  3. Step 3: Cross multiply
    91,216.98x = 125,846.19 × 53,483.94
  4. Step 4: Simplify right side
    91,216.98x = 6,730,750,075.19
  5. Step 5: Solve for x
    x = 6,730,750,075.19/91,216.98
  6. Step 6: Final answer
    x = 73,788.35

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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.