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Finding the Fourth Proportional to 163,857.57, 245,797.47 and 55,742.92

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Solution

The fourth proportional to 163,857.57, 245,797.47 and 55,742.92 is: 83,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,857.57 : 245,797.47 = 55,742.92 : x
  2. Step 2: Convert to fraction form
    163,857.57/245,797.47 = 55,742.92/x
  3. Step 3: Cross multiply
    163,857.57x = 245,797.47 × 55,742.92
  4. Step 4: Simplify right side
    163,857.57x = 13,701,468,706.41
  5. Step 5: Solve for x
    x = 13,701,468,706.41/163,857.57
  6. Step 6: Final answer
    x = 83,618.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.