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Finding the Fourth Proportional to 112,438.83, 168,658.10 and 29,332.83

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Solution

The fourth proportional to 112,438.83, 168,658.10 and 29,332.83 is: 43,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,438.83 : 168,658.10 = 29,332.83 : x
  2. Step 2: Convert to fraction form
    112,438.83/168,658.10 = 29,332.83/x
  3. Step 3: Cross multiply
    112,438.83x = 168,658.10 × 29,332.83
  4. Step 4: Simplify right side
    112,438.83x = 4,947,219,971.22
  5. Step 5: Solve for x
    x = 4,947,219,971.22/112,438.83
  6. Step 6: Final answer
    x = 43,999.21

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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.