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Finding the Fourth Proportional to 239,997,984.76, 360,018,241.80 and 67,476,299.68

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Solution

The fourth proportional to 239,997,984.76, 360,018,241.80 and 67,476,299.68 is: 101,220,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,997,984.76 : 360,018,241.80 = 67,476,299.68 : x
  2. Step 2: Convert to fraction form
    239,997,984.76/360,018,241.80 = 67,476,299.68/x
  3. Step 3: Cross multiply
    239,997,984.76x = 360,018,241.80 × 67,476,299.68
  4. Step 4: Simplify right side
    239,997,984.76x = 24,292,698,773,963,508
  5. Step 5: Solve for x
    x = 24,292,698,773,963,508/239,997,984.76
  6. Step 6: Final answer
    x = 101,220,428.16

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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.