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Finding the Fourth Proportional to 359,518.04, 539,200.50 and 106,730

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Solution

The fourth proportional to 359,518.04, 539,200.50 and 106,730 is: 160,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,518.04 : 539,200.50 = 106,730 : x
  2. Step 2: Convert to fraction form
    359,518.04/539,200.50 = 106,730/x
  3. Step 3: Cross multiply
    359,518.04x = 539,200.50 × 106,730
  4. Step 4: Simplify right side
    359,518.04x = 57,548,869,365
  5. Step 5: Solve for x
    x = 57,548,869,365/359,518.04
  6. Step 6: Final answer
    x = 160,072.27

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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.