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Finding the Fourth Proportional to 114,078.66, 171,068.94 and 39,206.32

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Solution

The fourth proportional to 114,078.66, 171,068.94 and 39,206.32 is: 58,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,078.66 : 171,068.94 = 39,206.32 : x
  2. Step 2: Convert to fraction form
    114,078.66/171,068.94 = 39,206.32/x
  3. Step 3: Cross multiply
    114,078.66x = 171,068.94 × 39,206.32
  4. Step 4: Simplify right side
    114,078.66x = 6,706,983,603.70
  5. Step 5: Solve for x
    x = 6,706,983,603.70/114,078.66
  6. Step 6: Final answer
    x = 58,792.62

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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.