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Finding the Fourth Proportional to 234,048.48, 351,005.70 and 76,290.72

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Solution

The fourth proportional to 234,048.48, 351,005.70 and 76,290.72 is: 114,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,048.48 : 351,005.70 = 76,290.72 : x
  2. Step 2: Convert to fraction form
    234,048.48/351,005.70 = 76,290.72/x
  3. Step 3: Cross multiply
    234,048.48x = 351,005.70 × 76,290.72
  4. Step 4: Simplify right side
    234,048.48x = 26,778,477,577.10
  5. Step 5: Solve for x
    x = 26,778,477,577.10/234,048.48
  6. Step 6: Final answer
    x = 114,414.23

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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.