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Finding the Fourth Proportional to 97,756,960.20, 137,242,381.80 and 97,756,960.20

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Solution

The fourth proportional to 97,756,960.20, 137,242,381.80 and 97,756,960.20 is: 137,242,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,756,960.20 : 137,242,381.80 = 97,756,960.20 : x
  2. Step 2: Convert to fraction form
    97,756,960.20/137,242,381.80 = 97,756,960.20/x
  3. Step 3: Cross multiply
    97,756,960.20x = 137,242,381.80 × 97,756,960.20
  4. Step 4: Simplify right side
    97,756,960.20x = 13,416,398,055,375,806
  5. Step 5: Solve for x
    x = 13,416,398,055,375,806/97,756,960.20
  6. Step 6: Final answer
    x = 137,242,381.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.