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Finding the Fourth Proportional to 63,160.90, 87,159.45 and 40,467.94

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Solution

The fourth proportional to 63,160.90, 87,159.45 and 40,467.94 is: 55,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,160.90 : 87,159.45 = 40,467.94 : x
  2. Step 2: Convert to fraction form
    63,160.90/87,159.45 = 40,467.94/x
  3. Step 3: Cross multiply
    63,160.90x = 87,159.45 × 40,467.94
  4. Step 4: Simplify right side
    63,160.90x = 3,527,163,393.03
  5. Step 5: Solve for x
    x = 3,527,163,393.03/63,160.90
  6. Step 6: Final answer
    x = 55,844.10

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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.