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Finding the Fourth Proportional to 114,480.40, 171,720.60 and 97,567.60

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Solution

The fourth proportional to 114,480.40, 171,720.60 and 97,567.60 is: 146,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,480.40 : 171,720.60 = 97,567.60 : x
  2. Step 2: Convert to fraction form
    114,480.40/171,720.60 = 97,567.60/x
  3. Step 3: Cross multiply
    114,480.40x = 171,720.60 × 97,567.60
  4. Step 4: Simplify right side
    114,480.40x = 16,754,366,812.56
  5. Step 5: Solve for x
    x = 16,754,366,812.56/114,480.40
  6. Step 6: Final answer
    x = 146,351.40

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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.