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Finding the Fourth Proportional to 126,045.36, 173,946.36 and 69,460.38

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Solution

The fourth proportional to 126,045.36, 173,946.36 and 69,460.38 is: 95,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,045.36 : 173,946.36 = 69,460.38 : x
  2. Step 2: Convert to fraction form
    126,045.36/173,946.36 = 69,460.38/x
  3. Step 3: Cross multiply
    126,045.36x = 173,946.36 × 69,460.38
  4. Step 4: Simplify right side
    126,045.36x = 12,082,380,265.22
  5. Step 5: Solve for x
    x = 12,082,380,265.22/126,045.36
  6. Step 6: Final answer
    x = 95,857.40

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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.