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Finding the Fourth Proportional to 270,828.59, 373,699.44 and 156,111.93

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Solution

The fourth proportional to 270,828.59, 373,699.44 and 156,111.93 is: 215,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,828.59 : 373,699.44 = 156,111.93 : x
  2. Step 2: Convert to fraction form
    270,828.59/373,699.44 = 156,111.93/x
  3. Step 3: Cross multiply
    270,828.59x = 373,699.44 × 156,111.93
  4. Step 4: Simplify right side
    270,828.59x = 58,338,940,818.32
  5. Step 5: Solve for x
    x = 58,338,940,818.32/270,828.59
  6. Step 6: Final answer
    x = 215,409.10

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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.