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Finding the Fourth Proportional to 296,877.16, 445,335.90 and 119,384.20

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Solution

The fourth proportional to 296,877.16, 445,335.90 and 119,384.20 is: 179,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,877.16 : 445,335.90 = 119,384.20 : x
  2. Step 2: Convert to fraction form
    296,877.16/445,335.90 = 119,384.20/x
  3. Step 3: Cross multiply
    296,877.16x = 445,335.90 × 119,384.20
  4. Step 4: Simplify right side
    296,877.16x = 53,166,070,152.78
  5. Step 5: Solve for x
    x = 53,166,070,152.78/296,877.16
  6. Step 6: Final answer
    x = 179,084.41

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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.