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Finding the Fourth Proportional to 191,000,505.60, 286,075,605.60 and 165,491,337.60

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Solution

The fourth proportional to 191,000,505.60, 286,075,605.60 and 165,491,337.60 is: 247,868,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,000,505.60 : 286,075,605.60 = 165,491,337.60 : x
  2. Step 2: Convert to fraction form
    191,000,505.60/286,075,605.60 = 165,491,337.60/x
  3. Step 3: Cross multiply
    191,000,505.60x = 286,075,605.60 × 165,491,337.60
  4. Step 4: Simplify right side
    191,000,505.60x = 47,343,034,625,474,056
  5. Step 5: Solve for x
    x = 47,343,034,625,474,056/191,000,505.60
  6. Step 6: Final answer
    x = 247,868,635.09

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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.