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Finding the Fourth Proportional to 113,349.94, 156,423.83 and 63,048.94

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Solution

The fourth proportional to 113,349.94, 156,423.83 and 63,048.94 is: 87,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,349.94 : 156,423.83 = 63,048.94 : x
  2. Step 2: Convert to fraction form
    113,349.94/156,423.83 = 63,048.94/x
  3. Step 3: Cross multiply
    113,349.94x = 156,423.83 × 63,048.94
  4. Step 4: Simplify right side
    113,349.94x = 9,862,355,965.94
  5. Step 5: Solve for x
    x = 9,862,355,965.94/113,349.94
  6. Step 6: Final answer
    x = 87,008.04

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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.