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Finding the Fourth Proportional to 201,232.10, 301,848.15 and 130,373.30

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Solution

The fourth proportional to 201,232.10, 301,848.15 and 130,373.30 is: 195,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,232.10 : 301,848.15 = 130,373.30 : x
  2. Step 2: Convert to fraction form
    201,232.10/301,848.15 = 130,373.30/x
  3. Step 3: Cross multiply
    201,232.10x = 301,848.15 × 130,373.30
  4. Step 4: Simplify right side
    201,232.10x = 39,352,939,414.40
  5. Step 5: Solve for x
    x = 39,352,939,414.40/201,232.10
  6. Step 6: Final answer
    x = 195,559.95

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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.