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Finding the Fourth Proportional to 125,687.84, 188,482.55 and 46,759.01

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Solution

The fourth proportional to 125,687.84, 188,482.55 and 46,759.01 is: 70,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687.84 : 188,482.55 = 46,759.01 : x
  2. Step 2: Convert to fraction form
    125,687.84/188,482.55 = 46,759.01/x
  3. Step 3: Cross multiply
    125,687.84x = 188,482.55 × 46,759.01
  4. Step 4: Simplify right side
    125,687.84x = 8,813,256,264.07
  5. Step 5: Solve for x
    x = 8,813,256,264.07/125,687.84
  6. Step 6: Final answer
    x = 70,120.20

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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.