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Finding the Fourth Proportional to 94,195.55, 129,953.08 and 53,887.79

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Solution

The fourth proportional to 94,195.55, 129,953.08 and 53,887.79 is: 74,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,195.55 : 129,953.08 = 53,887.79 : x
  2. Step 2: Convert to fraction form
    94,195.55/129,953.08 = 53,887.79/x
  3. Step 3: Cross multiply
    94,195.55x = 129,953.08 × 53,887.79
  4. Step 4: Simplify right side
    94,195.55x = 7,002,884,284.89
  5. Step 5: Solve for x
    x = 7,002,884,284.89/94,195.55
  6. Step 6: Final answer
    x = 74,344.11

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1.5x scale

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.