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Finding the Fourth Proportional to 104,624.33, 144,379.88 and 56,878.87

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Solution

The fourth proportional to 104,624.33, 144,379.88 and 56,878.87 is: 78,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,624.33 : 144,379.88 = 56,878.87 : x
  2. Step 2: Convert to fraction form
    104,624.33/144,379.88 = 56,878.87/x
  3. Step 3: Cross multiply
    104,624.33x = 144,379.88 × 56,878.87
  4. Step 4: Simplify right side
    104,624.33x = 8,212,164,140.74
  5. Step 5: Solve for x
    x = 8,212,164,140.74/104,624.33
  6. Step 6: Final answer
    x = 78,491.92

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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.