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Finding the Fourth Proportional to 141,462.45, 212,193.74 and 36,281.45

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Solution

The fourth proportional to 141,462.45, 212,193.74 and 36,281.45 is: 54,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,462.45 : 212,193.74 = 36,281.45 : x
  2. Step 2: Convert to fraction form
    141,462.45/212,193.74 = 36,281.45/x
  3. Step 3: Cross multiply
    141,462.45x = 212,193.74 × 36,281.45
  4. Step 4: Simplify right side
    141,462.45x = 7,698,697,189.31
  5. Step 5: Solve for x
    x = 7,698,697,189.31/141,462.45
  6. Step 6: Final answer
    x = 54,422.20

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1.5x scale

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.