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Finding the Fourth Proportional to 92,420.84, 127,534.82 and 52,674.28

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Solution

The fourth proportional to 92,420.84, 127,534.82 and 52,674.28 is: 72,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,420.84 : 127,534.82 = 52,674.28 : x
  2. Step 2: Convert to fraction form
    92,420.84/127,534.82 = 52,674.28/x
  3. Step 3: Cross multiply
    92,420.84x = 127,534.82 × 52,674.28
  4. Step 4: Simplify right side
    92,420.84x = 6,717,804,818.43
  5. Step 5: Solve for x
    x = 6,717,804,818.43/92,420.84
  6. Step 6: Final answer
    x = 72,687.12

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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.