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Finding the Fourth Proportional to 471,703.89, 707,666.51 and 134,749.36

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Solution

The fourth proportional to 471,703.89, 707,666.51 and 134,749.36 is: 202,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,703.89 : 707,666.51 = 134,749.36 : x
  2. Step 2: Convert to fraction form
    471,703.89/707,666.51 = 134,749.36/x
  3. Step 3: Cross multiply
    471,703.89x = 707,666.51 × 134,749.36
  4. Step 4: Simplify right side
    471,703.89x = 95,357,609,315.93
  5. Step 5: Solve for x
    x = 95,357,609,315.93/471,703.89
  6. Step 6: Final answer
    x = 202,155.66

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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.