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Finding the Fourth Proportional to 256,210.88, 353,574.51 and 141,497.27

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Solution

The fourth proportional to 256,210.88, 353,574.51 and 141,497.27 is: 195,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,210.88 : 353,574.51 = 141,497.27 : x
  2. Step 2: Convert to fraction form
    256,210.88/353,574.51 = 141,497.27/x
  3. Step 3: Cross multiply
    256,210.88x = 353,574.51 × 141,497.27
  4. Step 4: Simplify right side
    256,210.88x = 50,029,826,138.72
  5. Step 5: Solve for x
    x = 50,029,826,138.72/256,210.88
  6. Step 6: Final answer
    x = 195,268.16

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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.