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Finding the Fourth Proportional to 168,796.40, 253,194.60 and 155,018.30

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Solution

The fourth proportional to 168,796.40, 253,194.60 and 155,018.30 is: 232,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,796.40 : 253,194.60 = 155,018.30 : x
  2. Step 2: Convert to fraction form
    168,796.40/253,194.60 = 155,018.30/x
  3. Step 3: Cross multiply
    168,796.40x = 253,194.60 × 155,018.30
  4. Step 4: Simplify right side
    168,796.40x = 39,249,796,461.18
  5. Step 5: Solve for x
    x = 39,249,796,461.18/168,796.40
  6. Step 6: Final answer
    x = 232,527.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.