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Finding the Fourth Proportional to 169,638.10, 237,182.30 and 169,638.10

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Solution

The fourth proportional to 169,638.10, 237,182.30 and 169,638.10 is: 237,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,638.10 : 237,182.30 = 169,638.10 : x
  2. Step 2: Convert to fraction form
    169,638.10/237,182.30 = 169,638.10/x
  3. Step 3: Cross multiply
    169,638.10x = 237,182.30 × 169,638.10
  4. Step 4: Simplify right side
    169,638.10x = 40,235,154,725.63
  5. Step 5: Solve for x
    x = 40,235,154,725.63/169,638.10
  6. Step 6: Final answer
    x = 237,182.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.