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Finding the Fourth Proportional to 174,675.80, 262,013.70 and 161,845.40

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Solution

The fourth proportional to 174,675.80, 262,013.70 and 161,845.40 is: 242,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,675.80 : 262,013.70 = 161,845.40 : x
  2. Step 2: Convert to fraction form
    174,675.80/262,013.70 = 161,845.40/x
  3. Step 3: Cross multiply
    174,675.80x = 262,013.70 × 161,845.40
  4. Step 4: Simplify right side
    174,675.80x = 42,405,712,081.98
  5. Step 5: Solve for x
    x = 42,405,712,081.98/174,675.80
  6. Step 6: Final answer
    x = 242,768.10

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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.