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Finding the Fourth Proportional to 256,637.65, 354,162.25 and 141,924.01

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Solution

The fourth proportional to 256,637.65, 354,162.25 and 141,924.01 is: 195,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,637.65 : 354,162.25 = 141,924.01 : x
  2. Step 2: Convert to fraction form
    256,637.65/354,162.25 = 141,924.01/x
  3. Step 3: Cross multiply
    256,637.65x = 354,162.25 × 141,924.01
  4. Step 4: Simplify right side
    256,637.65x = 50,264,126,710.62
  5. Step 5: Solve for x
    x = 50,264,126,710.62/256,637.65
  6. Step 6: Final answer
    x = 195,856.40

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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.