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Finding the Fourth Proportional to 503,045.64, 754,661.61 and 166,109.67

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Solution

The fourth proportional to 503,045.64, 754,661.61 and 166,109.67 is: 249,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,045.64 : 754,661.61 = 166,109.67 : x
  2. Step 2: Convert to fraction form
    503,045.64/754,661.61 = 166,109.67/x
  3. Step 3: Cross multiply
    503,045.64x = 754,661.61 × 166,109.67
  4. Step 4: Simplify right side
    503,045.64x = 125,356,590,998.77
  5. Step 5: Solve for x
    x = 125,356,590,998.77/503,045.64
  6. Step 6: Final answer
    x = 249,195.26

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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.