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Finding the Fourth Proportional to 242,554,688.80, 363,832,033.20 and 96,916,235.20

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Solution

The fourth proportional to 242,554,688.80, 363,832,033.20 and 96,916,235.20 is: 145,374,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,554,688.80 : 363,832,033.20 = 96,916,235.20 : x
  2. Step 2: Convert to fraction form
    242,554,688.80/363,832,033.20 = 96,916,235.20/x
  3. Step 3: Cross multiply
    242,554,688.80x = 363,832,033.20 × 96,916,235.20
  4. Step 4: Simplify right side
    242,554,688.80x = 35,261,230,902,905,408
  5. Step 5: Solve for x
    x = 35,261,230,902,905,408/242,554,688.80
  6. Step 6: Final answer
    x = 145,374,352.80

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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.