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Finding the Fourth Proportional to 66,053,670.15, 99,080,505.23 and 66,053,670.15

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Solution

The fourth proportional to 66,053,670.15, 99,080,505.23 and 66,053,670.15 is: 99,080,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053,670.15 : 99,080,505.23 = 66,053,670.15 : x
  2. Step 2: Convert to fraction form
    66,053,670.15/99,080,505.23 = 66,053,670.15/x
  3. Step 3: Cross multiply
    66,053,670.15x = 99,080,505.23 × 66,053,670.15
  4. Step 4: Simplify right side
    66,053,670.15x = 6,544,631,010,427,501
  5. Step 5: Solve for x
    x = 6,544,631,010,427,501/66,053,670.15
  6. Step 6: Final answer
    x = 99,080,505.23

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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.