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Finding the Fourth Proportional to 84,118.88, 116,070.90 and 48,303.92

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Solution

The fourth proportional to 84,118.88, 116,070.90 and 48,303.92 is: 66,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118.88 : 116,070.90 = 48,303.92 : x
  2. Step 2: Convert to fraction form
    84,118.88/116,070.90 = 48,303.92/x
  3. Step 3: Cross multiply
    84,118.88x = 116,070.90 × 48,303.92
  4. Step 4: Simplify right side
    84,118.88x = 5,606,679,467.93
  5. Step 5: Solve for x
    x = 5,606,679,467.93/84,118.88
  6. Step 6: Final answer
    x = 66,651.86

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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.