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Finding the Fourth Proportional to 156,594.96, 216,102.60 and 84,975.57

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Solution

The fourth proportional to 156,594.96, 216,102.60 and 84,975.57 is: 117,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,594.96 : 216,102.60 = 84,975.57 : x
  2. Step 2: Convert to fraction form
    156,594.96/216,102.60 = 84,975.57/x
  3. Step 3: Cross multiply
    156,594.96x = 216,102.60 × 84,975.57
  4. Step 4: Simplify right side
    156,594.96x = 18,363,441,613.48
  5. Step 5: Solve for x
    x = 18,363,441,613.48/156,594.96
  6. Step 6: Final answer
    x = 117,267.13

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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.