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Finding the Fourth Proportional to 175,281.84, 262,955.43 and 56,921.40

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Solution

The fourth proportional to 175,281.84, 262,955.43 and 56,921.40 is: 85,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,281.84 : 262,955.43 = 56,921.40 : x
  2. Step 2: Convert to fraction form
    175,281.84/262,955.43 = 56,921.40/x
  3. Step 3: Cross multiply
    175,281.84x = 262,955.43 × 56,921.40
  4. Step 4: Simplify right side
    175,281.84x = 14,967,791,213.20
  5. Step 5: Solve for x
    x = 14,967,791,213.20/175,281.84
  6. Step 6: Final answer
    x = 85,392.71

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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.