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Finding the Fourth Proportional to 216,656.66, 325,125.32 and 116,885.72

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Solution

The fourth proportional to 216,656.66, 325,125.32 and 116,885.72 is: 175,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,656.66 : 325,125.32 = 116,885.72 : x
  2. Step 2: Convert to fraction form
    216,656.66/325,125.32 = 116,885.72/x
  3. Step 3: Cross multiply
    216,656.66x = 325,125.32 × 116,885.72
  4. Step 4: Simplify right side
    216,656.66x = 38,002,504,908.38
  5. Step 5: Solve for x
    x = 38,002,504,908.38/216,656.66
  6. Step 6: Final answer
    x = 175,404.28

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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.