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Finding the Fourth Proportional to 228,010.19, 314,641.77 and 126,029.57

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Solution

The fourth proportional to 228,010.19, 314,641.77 and 126,029.57 is: 173,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,010.19 : 314,641.77 = 126,029.57 : x
  2. Step 2: Convert to fraction form
    228,010.19/314,641.77 = 126,029.57/x
  3. Step 3: Cross multiply
    228,010.19x = 314,641.77 × 126,029.57
  4. Step 4: Simplify right side
    228,010.19x = 39,654,166,977.14
  5. Step 5: Solve for x
    x = 39,654,166,977.14/228,010.19
  6. Step 6: Final answer
    x = 173,914.01

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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.