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Finding the Fourth Proportional to 370,818.84, 555,898.39 and 134,108.90

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Solution

The fourth proportional to 370,818.84, 555,898.39 and 134,108.90 is: 201,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,818.84 : 555,898.39 = 134,108.90 : x
  2. Step 2: Convert to fraction form
    370,818.84/555,898.39 = 134,108.90/x
  3. Step 3: Cross multiply
    370,818.84x = 555,898.39 × 134,108.90
  4. Step 4: Simplify right side
    370,818.84x = 74,550,921,318.89
  5. Step 5: Solve for x
    x = 74,550,921,318.89/370,818.84
  6. Step 6: Final answer
    x = 201,044.05

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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.