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Finding the Fourth Proportional to 174,180, 240,090.63 and 131,094.74

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Solution

The fourth proportional to 174,180, 240,090.63 and 131,094.74 is: 180,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,180 : 240,090.63 = 131,094.74 : x
  2. Step 2: Convert to fraction form
    174,180/240,090.63 = 131,094.74/x
  3. Step 3: Cross multiply
    174,180x = 240,090.63 × 131,094.74
  4. Step 4: Simplify right side
    174,180x = 31,474,617,515.83
  5. Step 5: Solve for x
    x = 31,474,617,515.83/174,180
  6. Step 6: Final answer
    x = 180,701.67

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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.