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Finding the Fourth Proportional to 359,346, 539,016.84 and 93,105.84

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Solution

The fourth proportional to 359,346, 539,016.84 and 93,105.84 is: 139,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,346 : 539,016.84 = 93,105.84 : x
  2. Step 2: Convert to fraction form
    359,346/539,016.84 = 93,105.84/x
  3. Step 3: Cross multiply
    359,346x = 539,016.84 × 93,105.84
  4. Step 4: Simplify right side
    359,346x = 50,185,615,662.35
  5. Step 5: Solve for x
    x = 50,185,615,662.35/359,346
  6. Step 6: Final answer
    x = 139,658.20

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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.