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Finding the Fourth Proportional to 401,162.76, 601,782.48 and 112,973.67

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Solution

The fourth proportional to 401,162.76, 601,782.48 and 112,973.67 is: 169,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,162.76 : 601,782.48 = 112,973.67 : x
  2. Step 2: Convert to fraction form
    401,162.76/601,782.48 = 112,973.67/x
  3. Step 3: Cross multiply
    401,162.76x = 601,782.48 × 112,973.67
  4. Step 4: Simplify right side
    401,162.76x = 67,985,575,307.30
  5. Step 5: Solve for x
    x = 67,985,575,307.30/401,162.76
  6. Step 6: Final answer
    x = 169,471.30

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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.