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Finding the Fourth Proportional to 292,151.10, 438,097.05 and 134,427.90

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Solution

The fourth proportional to 292,151.10, 438,097.05 and 134,427.90 is: 201,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,151.10 : 438,097.05 = 134,427.90 : x
  2. Step 2: Convert to fraction form
    292,151.10/438,097.05 = 134,427.90/x
  3. Step 3: Cross multiply
    292,151.10x = 438,097.05 × 134,427.90
  4. Step 4: Simplify right side
    292,151.10x = 58,892,466,427.70
  5. Step 5: Solve for x
    x = 58,892,466,427.70/292,151.10
  6. Step 6: Final answer
    x = 201,582.22

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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.