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Finding the Fourth Proportional to 370,357.84, 555,536.76 and 104,145.40

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Solution

The fourth proportional to 370,357.84, 555,536.76 and 104,145.40 is: 156,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,357.84 : 555,536.76 = 104,145.40 : x
  2. Step 2: Convert to fraction form
    370,357.84/555,536.76 = 104,145.40/x
  3. Step 3: Cross multiply
    370,357.84x = 555,536.76 × 104,145.40
  4. Step 4: Simplify right side
    370,357.84x = 57,856,598,084.90
  5. Step 5: Solve for x
    x = 57,856,598,084.90/370,357.84
  6. Step 6: Final answer
    x = 156,218.10

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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.