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Finding the Fourth Proportional to 202,857.88, 304,293.76 and 69,737

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Solution

The fourth proportional to 202,857.88, 304,293.76 and 69,737 is: 104,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,857.88 : 304,293.76 = 69,737 : x
  2. Step 2: Convert to fraction form
    202,857.88/304,293.76 = 69,737/x
  3. Step 3: Cross multiply
    202,857.88x = 304,293.76 × 69,737
  4. Step 4: Simplify right side
    202,857.88x = 21,220,533,941.12
  5. Step 5: Solve for x
    x = 21,220,533,941.12/202,857.88
  6. Step 6: Final answer
    x = 104,607.89

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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.