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Finding the Fourth Proportional to 175,146.56, 262,756.76 and 56,808.70

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Solution

The fourth proportional to 175,146.56, 262,756.76 and 56,808.70 is: 85,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,146.56 : 262,756.76 = 56,808.70 : x
  2. Step 2: Convert to fraction form
    175,146.56/262,756.76 = 56,808.70/x
  3. Step 3: Cross multiply
    175,146.56x = 262,756.76 × 56,808.70
  4. Step 4: Simplify right side
    175,146.56x = 14,926,869,951.81
  5. Step 5: Solve for x
    x = 14,926,869,951.81/175,146.56
  6. Step 6: Final answer
    x = 85,225.02

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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.