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Finding the Fourth Proportional to 52,852,836.70, 74,069,554.10 and 52,852,836.70

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Solution

The fourth proportional to 52,852,836.70, 74,069,554.10 and 52,852,836.70 is: 74,069,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,852,836.70 : 74,069,554.10 = 52,852,836.70 : x
  2. Step 2: Convert to fraction form
    52,852,836.70/74,069,554.10 = 52,852,836.70/x
  3. Step 3: Cross multiply
    52,852,836.70x = 74,069,554.10 × 52,852,836.70
  4. Step 4: Simplify right side
    52,852,836.70x = 3,914,786,047,289,115.50
  5. Step 5: Solve for x
    x = 3,914,786,047,289,115.50/52,852,836.70
  6. Step 6: Final answer
    x = 74,069,554.10

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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.