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Finding the Fourth Proportional to 359,461.76, 539,206.41 and 93,215.30

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Solution

The fourth proportional to 359,461.76, 539,206.41 and 93,215.30 is: 139,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,461.76 : 539,206.41 = 93,215.30 : x
  2. Step 2: Convert to fraction form
    359,461.76/539,206.41 = 93,215.30/x
  3. Step 3: Cross multiply
    359,461.76x = 539,206.41 × 93,215.30
  4. Step 4: Simplify right side
    359,461.76x = 50,262,287,270.07
  5. Step 5: Solve for x
    x = 50,262,287,270.07/359,461.76
  6. Step 6: Final answer
    x = 139,826.52

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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.