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Finding the Fourth Proportional to 170,445, 234,968.16 and 119,299.44

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Solution

The fourth proportional to 170,445, 234,968.16 and 119,299.44 is: 164,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,445 : 234,968.16 = 119,299.44 : x
  2. Step 2: Convert to fraction form
    170,445/234,968.16 = 119,299.44/x
  3. Step 3: Cross multiply
    170,445x = 234,968.16 × 119,299.44
  4. Step 4: Simplify right side
    170,445x = 28,031,569,905.83
  5. Step 5: Solve for x
    x = 28,031,569,905.83/170,445
  6. Step 6: Final answer
    x = 164,461.09

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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.