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Finding the Fourth Proportional to 92,191.48, 127,218.80 and 51,903.62

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Solution

The fourth proportional to 92,191.48, 127,218.80 and 51,903.62 is: 71,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,191.48 : 127,218.80 = 51,903.62 : x
  2. Step 2: Convert to fraction form
    92,191.48/127,218.80 = 51,903.62/x
  3. Step 3: Cross multiply
    92,191.48x = 127,218.80 × 51,903.62
  4. Step 4: Simplify right side
    92,191.48x = 6,603,116,252.06
  5. Step 5: Solve for x
    x = 6,603,116,252.06/92,191.48
  6. Step 6: Final answer
    x = 71,623.93

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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.