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Finding the Fourth Proportional to 273,788.79, 377,817.26 and 152,929.50

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Solution

The fourth proportional to 273,788.79, 377,817.26 and 152,929.50 is: 211,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,788.79 : 377,817.26 = 152,929.50 : x
  2. Step 2: Convert to fraction form
    273,788.79/377,817.26 = 152,929.50/x
  3. Step 3: Cross multiply
    273,788.79x = 377,817.26 × 152,929.50
  4. Step 4: Simplify right side
    273,788.79x = 57,779,403,898.52
  5. Step 5: Solve for x
    x = 57,779,403,898.52/273,788.79
  6. Step 6: Final answer
    x = 211,036.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.