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Finding the Fourth Proportional to 114,885.34, 172,328.11 and 36,005.72

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Solution

The fourth proportional to 114,885.34, 172,328.11 and 36,005.72 is: 54,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,885.34 : 172,328.11 = 36,005.72 : x
  2. Step 2: Convert to fraction form
    114,885.34/172,328.11 = 36,005.72/x
  3. Step 3: Cross multiply
    114,885.34x = 172,328.11 × 36,005.72
  4. Step 4: Simplify right side
    114,885.34x = 6,204,796,725.13
  5. Step 5: Solve for x
    x = 6,204,796,725.13/114,885.34
  6. Step 6: Final answer
    x = 54,008.60

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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.