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Finding the Fourth Proportional to 256,048.02, 353,341.33 and 141,319.94

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Solution

The fourth proportional to 256,048.02, 353,341.33 and 141,319.94 is: 195,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,048.02 : 353,341.33 = 141,319.94 : x
  2. Step 2: Convert to fraction form
    256,048.02/353,341.33 = 141,319.94/x
  3. Step 3: Cross multiply
    256,048.02x = 353,341.33 × 141,319.94
  4. Step 4: Simplify right side
    256,048.02x = 49,934,173,435.11
  5. Step 5: Solve for x
    x = 49,934,173,435.11/256,048.02
  6. Step 6: Final answer
    x = 195,018.78

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