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Finding the Fourth Proportional to 92,238.34, 127,289.05 and 53,990.94

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Solution

The fourth proportional to 92,238.34, 127,289.05 and 53,990.94 is: 74,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,238.34 : 127,289.05 = 53,990.94 : x
  2. Step 2: Convert to fraction form
    92,238.34/127,289.05 = 53,990.94/x
  3. Step 3: Cross multiply
    92,238.34x = 127,289.05 × 53,990.94
  4. Step 4: Simplify right side
    92,238.34x = 6,872,455,461.21
  5. Step 5: Solve for x
    x = 6,872,455,461.21/92,238.34
  6. Step 6: Final answer
    x = 74,507.58

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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.