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Finding the Fourth Proportional to 155,672.40, 233,508.60 and 141,894.30

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Solution

The fourth proportional to 155,672.40, 233,508.60 and 141,894.30 is: 212,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,672.40 : 233,508.60 = 141,894.30 : x
  2. Step 2: Convert to fraction form
    155,672.40/233,508.60 = 141,894.30/x
  3. Step 3: Cross multiply
    155,672.40x = 233,508.60 × 141,894.30
  4. Step 4: Simplify right side
    155,672.40x = 33,133,539,340.98
  5. Step 5: Solve for x
    x = 33,133,539,340.98/155,672.40
  6. Step 6: Final answer
    x = 212,841.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.