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Finding the Fourth Proportional to 359,348, 539,019.84 and 93,107.84

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Solution

The fourth proportional to 359,348, 539,019.84 and 93,107.84 is: 139,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,348 : 539,019.84 = 93,107.84 : x
  2. Step 2: Convert to fraction form
    359,348/539,019.84 = 93,107.84/x
  3. Step 3: Cross multiply
    359,348x = 539,019.84 × 93,107.84
  4. Step 4: Simplify right side
    359,348x = 50,186,973,019.55
  5. Step 5: Solve for x
    x = 50,186,973,019.55/359,348
  6. Step 6: Final answer
    x = 139,661.20

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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.