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Finding the Fourth Proportional to 5,265,156.02, 7,897,733.49 and 1,276,068.02

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Solution

The fourth proportional to 5,265,156.02, 7,897,733.49 and 1,276,068.02 is: 1,914,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,156.02 : 7,897,733.49 = 1,276,068.02 : x
  2. Step 2: Convert to fraction form
    5,265,156.02/7,897,733.49 = 1,276,068.02/x
  3. Step 3: Cross multiply
    5,265,156.02x = 7,897,733.49 × 1,276,068.02
  4. Step 4: Simplify right side
    5,265,156.02x = 10,078,045,137,071.99
  5. Step 5: Solve for x
    x = 10,078,045,137,071.99/5,265,156.02
  6. Step 6: Final answer
    x = 1,914,101.90

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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.