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Finding the Fourth Proportional to 267,953.10, 401,901.93 and 134,779.02

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Solution

The fourth proportional to 267,953.10, 401,901.93 and 134,779.02 is: 202,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,953.10 : 401,901.93 = 134,779.02 : x
  2. Step 2: Convert to fraction form
    267,953.10/401,901.93 = 134,779.02/x
  3. Step 3: Cross multiply
    267,953.10x = 401,901.93 × 134,779.02
  4. Step 4: Simplify right side
    267,953.10x = 54,167,948,261.51
  5. Step 5: Solve for x
    x = 54,167,948,261.51/267,953.10
  6. Step 6: Final answer
    x = 202,154.59

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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.