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Finding the Fourth Proportional to 292,170.68, 438,504.70 and 114,801.72

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Solution

The fourth proportional to 292,170.68, 438,504.70 and 114,801.72 is: 172,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,170.68 : 438,504.70 = 114,801.72 : x
  2. Step 2: Convert to fraction form
    292,170.68/438,504.70 = 114,801.72/x
  3. Step 3: Cross multiply
    292,170.68x = 438,504.70 × 114,801.72
  4. Step 4: Simplify right side
    292,170.68x = 50,341,093,788.08
  5. Step 5: Solve for x
    x = 50,341,093,788.08/292,170.68
  6. Step 6: Final answer
    x = 172,300.29

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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.