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Finding the Fourth Proportional to 92,191.30, 127,239.88 and 53,423.69

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Solution

The fourth proportional to 92,191.30, 127,239.88 and 53,423.69 is: 73,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,191.30 : 127,239.88 = 53,423.69 : x
  2. Step 2: Convert to fraction form
    92,191.30/127,239.88 = 53,423.69/x
  3. Step 3: Cross multiply
    92,191.30x = 127,239.88 × 53,423.69
  4. Step 4: Simplify right side
    92,191.30x = 6,797,623,904.76
  5. Step 5: Solve for x
    x = 6,797,623,904.76/92,191.30
  6. Step 6: Final answer
    x = 73,733.90

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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.