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Finding the Fourth Proportional to 133,997,510.40, 200,996,265.60 and 53,218,478.40

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Solution

The fourth proportional to 133,997,510.40, 200,996,265.60 and 53,218,478.40 is: 79,827,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,997,510.40 : 200,996,265.60 = 53,218,478.40 : x
  2. Step 2: Convert to fraction form
    133,997,510.40/200,996,265.60 = 53,218,478.40/x
  3. Step 3: Cross multiply
    133,997,510.40x = 200,996,265.60 × 53,218,478.40
  4. Step 4: Simplify right side
    133,997,510.40x = 10,696,715,419,314,262
  5. Step 5: Solve for x
    x = 10,696,715,419,314,262/133,997,510.40
  6. Step 6: Final answer
    x = 79,827,717.60

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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.