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Finding the Fourth Proportional to 224,575.50, 309,914.28 and 123,973.50

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Solution

The fourth proportional to 224,575.50, 309,914.28 and 123,973.50 is: 171,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,575.50 : 309,914.28 = 123,973.50 : x
  2. Step 2: Convert to fraction form
    224,575.50/309,914.28 = 123,973.50/x
  3. Step 3: Cross multiply
    224,575.50x = 309,914.28 × 123,973.50
  4. Step 4: Simplify right side
    224,575.50x = 38,421,157,991.58
  5. Step 5: Solve for x
    x = 38,421,157,991.58/224,575.50
  6. Step 6: Final answer
    x = 171,083.48

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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.