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Finding the Fourth Proportional to 163,445.92, 225,515.72 and 95,424.14

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Solution

The fourth proportional to 163,445.92, 225,515.72 and 95,424.14 is: 131,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,445.92 : 225,515.72 = 95,424.14 : x
  2. Step 2: Convert to fraction form
    163,445.92/225,515.72 = 95,424.14/x
  3. Step 3: Cross multiply
    163,445.92x = 225,515.72 × 95,424.14
  4. Step 4: Simplify right side
    163,445.92x = 21,519,643,637.48
  5. Step 5: Solve for x
    x = 21,519,643,637.48/163,445.92
  6. Step 6: Final answer
    x = 131,662.16

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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.