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Finding the Fourth Proportional to 224,007.58, 309,130.30 and 123,405.58

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Solution

The fourth proportional to 224,007.58, 309,130.30 and 123,405.58 is: 170,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,007.58 : 309,130.30 = 123,405.58 : x
  2. Step 2: Convert to fraction form
    224,007.58/309,130.30 = 123,405.58/x
  3. Step 3: Cross multiply
    224,007.58x = 309,130.30 × 123,405.58
  4. Step 4: Simplify right side
    224,007.58x = 38,148,403,967.07
  5. Step 5: Solve for x
    x = 38,148,403,967.07/224,007.58
  6. Step 6: Final answer
    x = 170,299.61

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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.