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Finding the Fourth Proportional to 114,205.95, 171,307.95 and 89,266.97

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Solution

The fourth proportional to 114,205.95, 171,307.95 and 89,266.97 is: 133,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,205.95 : 171,307.95 = 89,266.97 : x
  2. Step 2: Convert to fraction form
    114,205.95/171,307.95 = 89,266.97/x
  3. Step 3: Cross multiply
    114,205.95x = 171,307.95 × 89,266.97
  4. Step 4: Simplify right side
    114,205.95x = 15,292,140,776.87
  5. Step 5: Solve for x
    x = 15,292,140,776.87/114,205.95
  6. Step 6: Final answer
    x = 133,899.69

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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.