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Finding the Fourth Proportional to 231,065.40, 346,014.90 and 151,750.20

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Solution

The fourth proportional to 231,065.40, 346,014.90 and 151,750.20 is: 227,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,065.40 : 346,014.90 = 151,750.20 : x
  2. Step 2: Convert to fraction form
    231,065.40/346,014.90 = 151,750.20/x
  3. Step 3: Cross multiply
    231,065.40x = 346,014.90 × 151,750.20
  4. Step 4: Simplify right side
    231,065.40x = 52,507,830,277.98
  5. Step 5: Solve for x
    x = 52,507,830,277.98/231,065.40
  6. Step 6: Final answer
    x = 227,242.29

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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.