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Finding the Fourth Proportional to 114,474.81, 157,975.70 and 63,492.30

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Solution

The fourth proportional to 114,474.81, 157,975.70 and 63,492.30 is: 87,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,474.81 : 157,975.70 = 63,492.30 : x
  2. Step 2: Convert to fraction form
    114,474.81/157,975.70 = 63,492.30/x
  3. Step 3: Cross multiply
    114,474.81x = 157,975.70 × 63,492.30
  4. Step 4: Simplify right side
    114,474.81x = 10,030,240,537.11
  5. Step 5: Solve for x
    x = 10,030,240,537.11/114,474.81
  6. Step 6: Final answer
    x = 87,619.63

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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.