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Finding the Fourth Proportional to 141,635, 212,488.96 and 52,889.10

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Solution

The fourth proportional to 141,635, 212,488.96 and 52,889.10 is: 79,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,635 : 212,488.96 = 52,889.10 : x
  2. Step 2: Convert to fraction form
    141,635/212,488.96 = 52,889.10/x
  3. Step 3: Cross multiply
    141,635x = 212,488.96 × 52,889.10
  4. Step 4: Simplify right side
    141,635x = 11,238,349,854.34
  5. Step 5: Solve for x
    x = 11,238,349,854.34/141,635
  6. Step 6: Final answer
    x = 79,347.26

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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.