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Finding the Fourth Proportional to 201,264.10, 301,932.60 and 101,172.40

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Solution

The fourth proportional to 201,264.10, 301,932.60 and 101,172.40 is: 151,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,264.10 : 301,932.60 = 101,172.40 : x
  2. Step 2: Convert to fraction form
    201,264.10/301,932.60 = 101,172.40/x
  3. Step 3: Cross multiply
    201,264.10x = 301,932.60 × 101,172.40
  4. Step 4: Simplify right side
    201,264.10x = 30,547,245,780.24
  5. Step 5: Solve for x
    x = 30,547,245,780.24/201,264.10
  6. Step 6: Final answer
    x = 151,776.92

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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.