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Finding the Fourth Proportional to 180,545.67, 270,854.96 and 124,412.67

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Solution

The fourth proportional to 180,545.67, 270,854.96 and 124,412.67 is: 186,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,545.67 : 270,854.96 = 124,412.67 : x
  2. Step 2: Convert to fraction form
    180,545.67/270,854.96 = 124,412.67/x
  3. Step 3: Cross multiply
    180,545.67x = 270,854.96 × 124,412.67
  4. Step 4: Simplify right side
    180,545.67x = 33,697,788,134.28
  5. Step 5: Solve for x
    x = 33,697,788,134.28/180,545.67
  6. Step 6: Final answer
    x = 186,644.12

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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.