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Finding the Fourth Proportional to 114,552.90, 171,955.06 and 91,011.77

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Solution

The fourth proportional to 114,552.90, 171,955.06 and 91,011.77 is: 136,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,552.90 : 171,955.06 = 91,011.77 : x
  2. Step 2: Convert to fraction form
    114,552.90/171,955.06 = 91,011.77/x
  3. Step 3: Cross multiply
    114,552.90x = 171,955.06 × 91,011.77
  4. Step 4: Simplify right side
    114,552.90x = 15,649,933,916.00
  5. Step 5: Solve for x
    x = 15,649,933,916.00/114,552.90
  6. Step 6: Final answer
    x = 136,617.53

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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.