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Finding the Fourth Proportional to 224,343.95, 309,598.34 and 122,369.40

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Solution

The fourth proportional to 224,343.95, 309,598.34 and 122,369.40 is: 168,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,343.95 : 309,598.34 = 122,369.40 : x
  2. Step 2: Convert to fraction form
    224,343.95/309,598.34 = 122,369.40/x
  3. Step 3: Cross multiply
    224,343.95x = 309,598.34 × 122,369.40
  4. Step 4: Simplify right side
    224,343.95x = 37,885,362,494.95
  5. Step 5: Solve for x
    x = 37,885,362,494.95/224,343.95
  6. Step 6: Final answer
    x = 168,871.79

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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.