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Finding the Fourth Proportional to 66,430,233.45, 99,645,350.18 and 66,430,233.45

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Solution

The fourth proportional to 66,430,233.45, 99,645,350.18 and 66,430,233.45 is: 99,645,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,233.45 : 99,645,350.18 = 66,430,233.45 : x
  2. Step 2: Convert to fraction form
    66,430,233.45/99,645,350.18 = 66,430,233.45/x
  3. Step 3: Cross multiply
    66,430,233.45x = 99,645,350.18 × 66,430,233.45
  4. Step 4: Simplify right side
    66,430,233.45x = 6,619,463,874,332,248
  5. Step 5: Solve for x
    x = 6,619,463,874,332,248/66,430,233.45
  6. Step 6: Final answer
    x = 99,645,350.18

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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.