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Finding the Fourth Proportional to 354,266.55, 531,262.53 and 117,545.67

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Solution

The fourth proportional to 354,266.55, 531,262.53 and 117,545.67 is: 176,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,266.55 : 531,262.53 = 117,545.67 : x
  2. Step 2: Convert to fraction form
    354,266.55/531,262.53 = 117,545.67/x
  3. Step 3: Cross multiply
    354,266.55x = 531,262.53 × 117,545.67
  4. Step 4: Simplify right side
    354,266.55x = 62,447,610,034.75
  5. Step 5: Solve for x
    x = 62,447,610,034.75/354,266.55
  6. Step 6: Final answer
    x = 176,272.95

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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.