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Finding the Fourth Proportional to 201,644,750.40, 301,711,298.40 and 133,620,302.40

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Solution

The fourth proportional to 201,644,750.40, 301,711,298.40 and 133,620,302.40 is: 199,929,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,644,750.40 : 301,711,298.40 = 133,620,302.40 : x
  2. Step 2: Convert to fraction form
    201,644,750.40/301,711,298.40 = 133,620,302.40/x
  3. Step 3: Cross multiply
    201,644,750.40x = 301,711,298.40 × 133,620,302.40
  4. Step 4: Simplify right side
    201,644,750.40x = 40,314,754,929,704,632
  5. Step 5: Solve for x
    x = 40,314,754,929,704,632/201,644,750.40
  6. Step 6: Final answer
    x = 199,929,603.17

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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.