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Finding the Fourth Proportional to 133,712,928.30, 200,569,392.45 and 133,712,928.30

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Solution

The fourth proportional to 133,712,928.30, 200,569,392.45 and 133,712,928.30 is: 200,569,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712,928.30 : 200,569,392.45 = 133,712,928.30 : x
  2. Step 2: Convert to fraction form
    133,712,928.30/200,569,392.45 = 133,712,928.30/x
  3. Step 3: Cross multiply
    133,712,928.30x = 200,569,392.45 × 133,712,928.30
  4. Step 4: Simplify right side
    133,712,928.30x = 26,818,720,791,841,408
  5. Step 5: Solve for x
    x = 26,818,720,791,841,408/133,712,928.30
  6. Step 6: Final answer
    x = 200,569,392.45

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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.