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Finding the Fourth Proportional to 104,717.58, 144,506.06 and 56,971.12

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Solution

The fourth proportional to 104,717.58, 144,506.06 and 56,971.12 is: 78,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,717.58 : 144,506.06 = 56,971.12 : x
  2. Step 2: Convert to fraction form
    104,717.58/144,506.06 = 56,971.12/x
  3. Step 3: Cross multiply
    104,717.58x = 144,506.06 × 56,971.12
  4. Step 4: Simplify right side
    104,717.58x = 8,232,672,084.99
  5. Step 5: Solve for x
    x = 8,232,672,084.99/104,717.58
  6. Step 6: Final answer
    x = 78,617.86

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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.