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Finding the Fourth Proportional to 172,893.08, 238,585.06 and 127,554.74

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Solution

The fourth proportional to 172,893.08, 238,585.06 and 127,554.74 is: 176,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,893.08 : 238,585.06 = 127,554.74 : x
  2. Step 2: Convert to fraction form
    172,893.08/238,585.06 = 127,554.74/x
  3. Step 3: Cross multiply
    172,893.08x = 238,585.06 × 127,554.74
  4. Step 4: Simplify right side
    172,893.08x = 30,432,655,296.18
  5. Step 5: Solve for x
    x = 30,432,655,296.18/172,893.08
  6. Step 6: Final answer
    x = 176,020.09

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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.