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Finding the Fourth Proportional to 202,725.96, 304,059.98 and 69,603.72

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Solution

The fourth proportional to 202,725.96, 304,059.98 and 69,603.72 is: 104,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,725.96 : 304,059.98 = 69,603.72 : x
  2. Step 2: Convert to fraction form
    202,725.96/304,059.98 = 69,603.72/x
  3. Step 3: Cross multiply
    202,725.96x = 304,059.98 × 69,603.72
  4. Step 4: Simplify right side
    202,725.96x = 21,163,705,711.13
  5. Step 5: Solve for x
    x = 21,163,705,711.13/202,725.96
  6. Step 6: Final answer
    x = 104,395.64

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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.