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Finding the Fourth Proportional to 156,549.91, 216,032.24 and 88,568.04

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Solution

The fourth proportional to 156,549.91, 216,032.24 and 88,568.04 is: 122,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,549.91 : 216,032.24 = 88,568.04 : x
  2. Step 2: Convert to fraction form
    156,549.91/216,032.24 = 88,568.04/x
  3. Step 3: Cross multiply
    156,549.91x = 216,032.24 × 88,568.04
  4. Step 4: Simplify right side
    156,549.91x = 19,133,552,014.52
  5. Step 5: Solve for x
    x = 19,133,552,014.52/156,549.91
  6. Step 6: Final answer
    x = 122,220.14

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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.