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Finding the Fourth Proportional to 172,925.36, 238,596.35 and 104,940.79

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Solution

The fourth proportional to 172,925.36, 238,596.35 and 104,940.79 is: 144,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,925.36 : 238,596.35 = 104,940.79 : x
  2. Step 2: Convert to fraction form
    172,925.36/238,596.35 = 104,940.79/x
  3. Step 3: Cross multiply
    172,925.36x = 238,596.35 × 104,940.79
  4. Step 4: Simplify right side
    172,925.36x = 25,038,489,460.12
  5. Step 5: Solve for x
    x = 25,038,489,460.12/172,925.36
  6. Step 6: Final answer
    x = 144,793.62

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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.