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Finding the Fourth Proportional to 166,307.79, 229,504.71 and 89,826.93

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Solution

The fourth proportional to 166,307.79, 229,504.71 and 89,826.93 is: 123,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,307.79 : 229,504.71 = 89,826.93 : x
  2. Step 2: Convert to fraction form
    166,307.79/229,504.71 = 89,826.93/x
  3. Step 3: Cross multiply
    166,307.79x = 229,504.71 × 89,826.93
  4. Step 4: Simplify right side
    166,307.79x = 20,615,703,519.84
  5. Step 5: Solve for x
    x = 20,615,703,519.84/166,307.79
  6. Step 6: Final answer
    x = 123,961.14

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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.