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Finding the Fourth Proportional to 172,263.56, 237,668.85 and 104,258.79

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Solution

The fourth proportional to 172,263.56, 237,668.85 and 104,258.79 is: 143,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,263.56 : 237,668.85 = 104,258.79 : x
  2. Step 2: Convert to fraction form
    172,263.56/237,668.85 = 104,258.79/x
  3. Step 3: Cross multiply
    172,263.56x = 237,668.85 × 104,258.79
  4. Step 4: Simplify right side
    172,263.56x = 24,779,066,721.69
  5. Step 5: Solve for x
    x = 24,779,066,721.69/172,263.56
  6. Step 6: Final answer
    x = 143,843.93

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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.