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Finding the Fourth Proportional to 156,886.96, 216,559.56 and 93,224.38

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Solution

The fourth proportional to 156,886.96, 216,559.56 and 93,224.38 is: 128,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,886.96 : 216,559.56 = 93,224.38 : x
  2. Step 2: Convert to fraction form
    156,886.96/216,559.56 = 93,224.38/x
  3. Step 3: Cross multiply
    156,886.96x = 216,559.56 × 93,224.38
  4. Step 4: Simplify right side
    156,886.96x = 20,188,630,714.07
  5. Step 5: Solve for x
    x = 20,188,630,714.07/156,886.96
  6. Step 6: Final answer
    x = 128,682.66

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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.