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Finding the Fourth Proportional to 92,675.25, 127,905.51 and 58,686.84

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Solution

The fourth proportional to 92,675.25, 127,905.51 and 58,686.84 is: 80,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675.25 : 127,905.51 = 58,686.84 : x
  2. Step 2: Convert to fraction form
    92,675.25/127,905.51 = 58,686.84/x
  3. Step 3: Cross multiply
    92,675.25x = 127,905.51 × 58,686.84
  4. Step 4: Simplify right side
    92,675.25x = 7,506,370,200.49
  5. Step 5: Solve for x
    x = 7,506,370,200.49/92,675.25
  6. Step 6: Final answer
    x = 80,996.49

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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.