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Finding the Fourth Proportional to 156,527.79, 216,019.05 and 88,544.79

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Solution

The fourth proportional to 156,527.79, 216,019.05 and 88,544.79 is: 122,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,527.79 : 216,019.05 = 88,544.79 : x
  2. Step 2: Convert to fraction form
    156,527.79/216,019.05 = 88,544.79/x
  3. Step 3: Cross multiply
    156,527.79x = 216,019.05 × 88,544.79
  4. Step 4: Simplify right side
    156,527.79x = 19,127,361,418.25
  5. Step 5: Solve for x
    x = 19,127,361,418.25/156,527.79
  6. Step 6: Final answer
    x = 122,197.86

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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.