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Finding the Fourth Proportional to 86,622.94, 119,539.66 and 46,878.94

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Solution

The fourth proportional to 86,622.94, 119,539.66 and 46,878.94 is: 64,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,622.94 : 119,539.66 = 46,878.94 : x
  2. Step 2: Convert to fraction form
    86,622.94/119,539.66 = 46,878.94/x
  3. Step 3: Cross multiply
    86,622.94x = 119,539.66 × 46,878.94
  4. Step 4: Simplify right side
    86,622.94x = 5,603,892,132.71
  5. Step 5: Solve for x
    x = 5,603,892,132.71/86,622.94
  6. Step 6: Final answer
    x = 64,692.94

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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.