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Finding the Fourth Proportional to 228,052.60, 342,111.30 and 70,264.60

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Solution

The fourth proportional to 228,052.60, 342,111.30 and 70,264.60 is: 105,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,052.60 : 342,111.30 = 70,264.60 : x
  2. Step 2: Convert to fraction form
    228,052.60/342,111.30 = 70,264.60/x
  3. Step 3: Cross multiply
    228,052.60x = 342,111.30 × 70,264.60
  4. Step 4: Simplify right side
    228,052.60x = 24,038,313,649.98
  5. Step 5: Solve for x
    x = 24,038,313,649.98/228,052.60
  6. Step 6: Final answer
    x = 105,406.88

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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.