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Finding the Fourth Proportional to 256,366.48, 353,792.87 and 141,652.51

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Solution

The fourth proportional to 256,366.48, 353,792.87 and 141,652.51 is: 195,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,366.48 : 353,792.87 = 141,652.51 : x
  2. Step 2: Convert to fraction form
    256,366.48/353,792.87 = 141,652.51/x
  3. Step 3: Cross multiply
    256,366.48x = 353,792.87 × 141,652.51
  4. Step 4: Simplify right side
    256,366.48x = 50,115,649,158.79
  5. Step 5: Solve for x
    x = 50,115,649,158.79/256,366.48
  6. Step 6: Final answer
    x = 195,484.41

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1.5x scale

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.