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Finding the Fourth Proportional to 114,851.33, 158,482.15 and 68,908.53

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Solution

The fourth proportional to 114,851.33, 158,482.15 and 68,908.53 is: 95,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,851.33 : 158,482.15 = 68,908.53 : x
  2. Step 2: Convert to fraction form
    114,851.33/158,482.15 = 68,908.53/x
  3. Step 3: Cross multiply
    114,851.33x = 158,482.15 × 68,908.53
  4. Step 4: Simplify right side
    114,851.33x = 10,920,771,987.74
  5. Step 5: Solve for x
    x = 10,920,771,987.74/114,851.33
  6. Step 6: Final answer
    x = 95,086.16

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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.