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Finding the Fourth Proportional to 227,779.40, 341,669.10 and 101,419.40

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Solution

The fourth proportional to 227,779.40, 341,669.10 and 101,419.40 is: 152,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,779.40 : 341,669.10 = 101,419.40 : x
  2. Step 2: Convert to fraction form
    227,779.40/341,669.10 = 101,419.40/x
  3. Step 3: Cross multiply
    227,779.40x = 341,669.10 × 101,419.40
  4. Step 4: Simplify right side
    227,779.40x = 34,651,875,120.54
  5. Step 5: Solve for x
    x = 34,651,875,120.54/227,779.40
  6. Step 6: Final answer
    x = 152,129.10

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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.