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Finding the Fourth Proportional to 141,624.56, 212,473.74 and 52,878.80

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Solution

The fourth proportional to 141,624.56, 212,473.74 and 52,878.80 is: 79,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,624.56 : 212,473.74 = 52,878.80 : x
  2. Step 2: Convert to fraction form
    141,624.56/212,473.74 = 52,878.80/x
  3. Step 3: Cross multiply
    141,624.56x = 212,473.74 × 52,878.80
  4. Step 4: Simplify right side
    141,624.56x = 11,235,356,402.71
  5. Step 5: Solve for x
    x = 11,235,356,402.71/141,624.56
  6. Step 6: Final answer
    x = 79,331.98

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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.