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Finding the Fourth Proportional to 359,433.22, 539,057.54 and 106,653.94

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Solution

The fourth proportional to 359,433.22, 539,057.54 and 106,653.94 is: 159,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,433.22 : 539,057.54 = 106,653.94 : x
  2. Step 2: Convert to fraction form
    359,433.22/539,057.54 = 106,653.94/x
  3. Step 3: Cross multiply
    359,433.22x = 539,057.54 × 106,653.94
  4. Step 4: Simplify right side
    359,433.22x = 57,492,610,527.71
  5. Step 5: Solve for x
    x = 57,492,610,527.71/359,433.22
  6. Step 6: Final answer
    x = 159,953.52

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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.