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Finding the Fourth Proportional to 134,978.40, 202,352.40 and 95,411.04

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Solution

The fourth proportional to 134,978.40, 202,352.40 and 95,411.04 is: 143,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,978.40 : 202,352.40 = 95,411.04 : x
  2. Step 2: Convert to fraction form
    134,978.40/202,352.40 = 95,411.04/x
  3. Step 3: Cross multiply
    134,978.40x = 202,352.40 × 95,411.04
  4. Step 4: Simplify right side
    134,978.40x = 19,306,652,930.50
  5. Step 5: Solve for x
    x = 19,306,652,930.50/134,978.40
  6. Step 6: Final answer
    x = 143,035.13

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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.