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Finding the Fourth Proportional to 183,902.40, 253,805.40 and 112,282.20

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Solution

The fourth proportional to 183,902.40, 253,805.40 and 112,282.20 is: 154,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,902.40 : 253,805.40 = 112,282.20 : x
  2. Step 2: Convert to fraction form
    183,902.40/253,805.40 = 112,282.20/x
  3. Step 3: Cross multiply
    183,902.40x = 253,805.40 × 112,282.20
  4. Step 4: Simplify right side
    183,902.40x = 28,497,828,683.88
  5. Step 5: Solve for x
    x = 28,497,828,683.88/183,902.40
  6. Step 6: Final answer
    x = 154,961.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.