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Finding the Fourth Proportional to 92,814.51, 128,084.07 and 50,373.04

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Solution

The fourth proportional to 92,814.51, 128,084.07 and 50,373.04 is: 69,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,814.51 : 128,084.07 = 50,373.04 : x
  2. Step 2: Convert to fraction form
    92,814.51/128,084.07 = 50,373.04/x
  3. Step 3: Cross multiply
    92,814.51x = 128,084.07 × 50,373.04
  4. Step 4: Simplify right side
    92,814.51x = 6,451,983,729.61
  5. Step 5: Solve for x
    x = 6,451,983,729.61/92,814.51
  6. Step 6: Final answer
    x = 69,514.82

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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.