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Finding the Fourth Proportional to 99,144,064.80, 148,716,097.20 and 99,144,064.80

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Solution

The fourth proportional to 99,144,064.80, 148,716,097.20 and 99,144,064.80 is: 148,716,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,144,064.80 : 148,716,097.20 = 99,144,064.80 : x
  2. Step 2: Convert to fraction form
    99,144,064.80/148,716,097.20 = 99,144,064.80/x
  3. Step 3: Cross multiply
    99,144,064.80x = 148,716,097.20 × 99,144,064.80
  4. Step 4: Simplify right side
    99,144,064.80x = 14,744,318,377,599,896
  5. Step 5: Solve for x
    x = 14,744,318,377,599,896/99,144,064.80
  6. Step 6: Final answer
    x = 148,716,097.20

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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.