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Finding the Fourth Proportional to 92,675.27, 127,905.51 and 58,686.86

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Solution

The fourth proportional to 92,675.27, 127,905.51 and 58,686.86 is: 80,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675.27 : 127,905.51 = 58,686.86 : x
  2. Step 2: Convert to fraction form
    92,675.27/127,905.51 = 58,686.86/x
  3. Step 3: Cross multiply
    92,675.27x = 127,905.51 × 58,686.86
  4. Step 4: Simplify right side
    92,675.27x = 7,506,372,119.07
  5. Step 5: Solve for x
    x = 7,506,372,119.07/92,675.27
  6. Step 6: Final answer
    x = 80,996.50

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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.