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Finding the Fourth Proportional to 203,048.40, 304,499.70 and 103,175.40

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Solution

The fourth proportional to 203,048.40, 304,499.70 and 103,175.40 is: 154,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,048.40 : 304,499.70 = 103,175.40 : x
  2. Step 2: Convert to fraction form
    203,048.40/304,499.70 = 103,175.40/x
  3. Step 3: Cross multiply
    203,048.40x = 304,499.70 × 103,175.40
  4. Step 4: Simplify right side
    203,048.40x = 31,416,878,347.38
  5. Step 5: Solve for x
    x = 31,416,878,347.38/203,048.40
  6. Step 6: Final answer
    x = 154,726.06

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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.