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Finding the Fourth Proportional to 210,862.44, 316,293.39 and 53,090.91

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Solution

The fourth proportional to 210,862.44, 316,293.39 and 53,090.91 is: 79,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,862.44 : 316,293.39 = 53,090.91 : x
  2. Step 2: Convert to fraction form
    210,862.44/316,293.39 = 53,090.91/x
  3. Step 3: Cross multiply
    210,862.44x = 316,293.39 × 53,090.91
  4. Step 4: Simplify right side
    210,862.44x = 16,792,303,902.08
  5. Step 5: Solve for x
    x = 16,792,303,902.08/210,862.44
  6. Step 6: Final answer
    x = 79,636.30

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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.