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Finding the Fourth Proportional to 92,637.77, 127,841.12 and 54,397.77

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Solution

The fourth proportional to 92,637.77, 127,841.12 and 54,397.77 is: 75,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,637.77 : 127,841.12 = 54,397.77 : x
  2. Step 2: Convert to fraction form
    92,637.77/127,841.12 = 54,397.77/x
  3. Step 3: Cross multiply
    92,637.77x = 127,841.12 × 54,397.77
  4. Step 4: Simplify right side
    92,637.77x = 6,954,271,654.45
  5. Step 5: Solve for x
    x = 6,954,271,654.45/92,637.77
  6. Step 6: Final answer
    x = 75,069.51

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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.