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Finding the Fourth Proportional to 351,182.13, 526,773.13 and 148,810.11

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Solution

The fourth proportional to 351,182.13, 526,773.13 and 148,810.11 is: 223,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,182.13 : 526,773.13 = 148,810.11 : x
  2. Step 2: Convert to fraction form
    351,182.13/526,773.13 = 148,810.11/x
  3. Step 3: Cross multiply
    351,182.13x = 526,773.13 × 148,810.11
  4. Step 4: Simplify right side
    351,182.13x = 78,389,167,420.34
  5. Step 5: Solve for x
    x = 78,389,167,420.34/351,182.13
  6. Step 6: Final answer
    x = 223,215.14

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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.