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Finding the Fourth Proportional to 169,638.40, 237,804.80 and 169,638.40

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Solution

The fourth proportional to 169,638.40, 237,804.80 and 169,638.40 is: 237,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,638.40 : 237,804.80 = 169,638.40 : x
  2. Step 2: Convert to fraction form
    169,638.40/237,804.80 = 169,638.40/x
  3. Step 3: Cross multiply
    169,638.40x = 237,804.80 × 169,638.40
  4. Step 4: Simplify right side
    169,638.40x = 40,340,825,784.32
  5. Step 5: Solve for x
    x = 40,340,825,784.32/169,638.40
  6. Step 6: Final answer
    x = 237,804.80

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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.