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Finding the Fourth Proportional to 174,572, 261,868.80 and 49,922.72

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Solution

The fourth proportional to 174,572, 261,868.80 and 49,922.72 is: 74,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,572 : 261,868.80 = 49,922.72 : x
  2. Step 2: Convert to fraction form
    174,572/261,868.80 = 49,922.72/x
  3. Step 3: Cross multiply
    174,572x = 261,868.80 × 49,922.72
  4. Step 4: Simplify right side
    174,572x = 13,073,202,779.14
  5. Step 5: Solve for x
    x = 13,073,202,779.14/174,572
  6. Step 6: Final answer
    x = 74,887.17

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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.