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Finding the Fourth Proportional to 359,465.76, 539,212.41 and 93,219.30

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Solution

The fourth proportional to 359,465.76, 539,212.41 and 93,219.30 is: 139,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,465.76 : 539,212.41 = 93,219.30 : x
  2. Step 2: Convert to fraction form
    359,465.76/539,212.41 = 93,219.30/x
  3. Step 3: Cross multiply
    359,465.76x = 539,212.41 × 93,219.30
  4. Step 4: Simplify right side
    359,465.76x = 50,265,003,411.51
  5. Step 5: Solve for x
    x = 50,265,003,411.51/359,465.76
  6. Step 6: Final answer
    x = 139,832.52

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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.