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Finding the Fourth Proportional to 114,205.69, 171,307.58 and 89,266.72

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Solution

The fourth proportional to 114,205.69, 171,307.58 and 89,266.72 is: 133,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,205.69 : 171,307.58 = 89,266.72 : x
  2. Step 2: Convert to fraction form
    114,205.69/171,307.58 = 89,266.72/x
  3. Step 3: Cross multiply
    114,205.69x = 171,307.58 × 89,266.72
  4. Step 4: Simplify right side
    114,205.69x = 15,292,065,777.74
  5. Step 5: Solve for x
    x = 15,292,065,777.74/114,205.69
  6. Step 6: Final answer
    x = 133,899.33

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1.5x scale

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.