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Finding the Fourth Proportional to 66,063,863.40, 99,095,795.10 and 66,063,863.40

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Solution

The fourth proportional to 66,063,863.40, 99,095,795.10 and 66,063,863.40 is: 99,095,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063,863.40 : 99,095,795.10 = 66,063,863.40 : x
  2. Step 2: Convert to fraction form
    66,063,863.40/99,095,795.10 = 66,063,863.40/x
  3. Step 3: Cross multiply
    66,063,863.40x = 99,095,795.10 × 66,063,863.40
  4. Step 4: Simplify right side
    66,063,863.40x = 6,546,651,071,000,789
  5. Step 5: Solve for x
    x = 6,546,651,071,000,789/66,063,863.40
  6. Step 6: Final answer
    x = 99,095,795.10

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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.