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Finding the Fourth Proportional to 117,903.36, 176,814.72 and 38,999.04

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Solution

The fourth proportional to 117,903.36, 176,814.72 and 38,999.04 is: 58,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,903.36 : 176,814.72 = 38,999.04 : x
  2. Step 2: Convert to fraction form
    117,903.36/176,814.72 = 38,999.04/x
  3. Step 3: Cross multiply
    117,903.36x = 176,814.72 × 38,999.04
  4. Step 4: Simplify right side
    117,903.36x = 6,895,604,337.87
  5. Step 5: Solve for x
    x = 6,895,604,337.87/117,903.36
  6. Step 6: Final answer
    x = 58,485.22

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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.