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Finding the Fourth Proportional to 104,717.59, 144,506.05 and 56,971.12

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Solution

The fourth proportional to 104,717.59, 144,506.05 and 56,971.12 is: 78,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,717.59 : 144,506.05 = 56,971.12 : x
  2. Step 2: Convert to fraction form
    104,717.59/144,506.05 = 56,971.12/x
  3. Step 3: Cross multiply
    104,717.59x = 144,506.05 × 56,971.12
  4. Step 4: Simplify right side
    104,717.59x = 8,232,671,515.28
  5. Step 5: Solve for x
    x = 8,232,671,515.28/104,717.59
  6. Step 6: Final answer
    x = 78,617.85

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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.