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Finding the Fourth Proportional to 236,553.90, 354,830.85 and 70,341.90

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Solution

The fourth proportional to 236,553.90, 354,830.85 and 70,341.90 is: 105,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,553.90 : 354,830.85 = 70,341.90 : x
  2. Step 2: Convert to fraction form
    236,553.90/354,830.85 = 70,341.90/x
  3. Step 3: Cross multiply
    236,553.90x = 354,830.85 × 70,341.90
  4. Step 4: Simplify right side
    236,553.90x = 24,959,476,167.62
  5. Step 5: Solve for x
    x = 24,959,476,167.62/236,553.90
  6. Step 6: Final answer
    x = 105,512.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.