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Finding the Fourth Proportional to 114,439.55, 157,894.90 and 66,038.11

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Solution

The fourth proportional to 114,439.55, 157,894.90 and 66,038.11 is: 91,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,439.55 : 157,894.90 = 66,038.11 : x
  2. Step 2: Convert to fraction form
    114,439.55/157,894.90 = 66,038.11/x
  3. Step 3: Cross multiply
    114,439.55x = 157,894.90 × 66,038.11
  4. Step 4: Simplify right side
    114,439.55x = 10,427,080,774.64
  5. Step 5: Solve for x
    x = 10,427,080,774.64/114,439.55
  6. Step 6: Final answer
    x = 91,114.31

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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.