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Finding the Fourth Proportional to 114,441.17, 157,897.52 and 68,482.32

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Solution

The fourth proportional to 114,441.17, 157,897.52 and 68,482.32 is: 94,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,441.17 : 157,897.52 = 68,482.32 : x
  2. Step 2: Convert to fraction form
    114,441.17/157,897.52 = 68,482.32/x
  3. Step 3: Cross multiply
    114,441.17x = 157,897.52 × 68,482.32
  4. Step 4: Simplify right side
    114,441.17x = 10,813,187,544.24
  5. Step 5: Solve for x
    x = 10,813,187,544.24/114,441.17
  6. Step 6: Final answer
    x = 94,486.87

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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.