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Finding the Fourth Proportional to 202,001.90, 303,002.85 and 69,032.30

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Solution

The fourth proportional to 202,001.90, 303,002.85 and 69,032.30 is: 103,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,001.90 : 303,002.85 = 69,032.30 : x
  2. Step 2: Convert to fraction form
    202,001.90/303,002.85 = 69,032.30/x
  3. Step 3: Cross multiply
    202,001.90x = 303,002.85 × 69,032.30
  4. Step 4: Simplify right side
    202,001.90x = 20,916,983,642.06
  5. Step 5: Solve for x
    x = 20,916,983,642.06/202,001.90
  6. Step 6: Final answer
    x = 103,548.45

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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.