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Finding the Fourth Proportional to 92,225.62, 127,276.09 and 56,404.38

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Solution

The fourth proportional to 92,225.62, 127,276.09 and 56,404.38 is: 77,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,225.62 : 127,276.09 = 56,404.38 : x
  2. Step 2: Convert to fraction form
    92,225.62/127,276.09 = 56,404.38/x
  3. Step 3: Cross multiply
    92,225.62x = 127,276.09 × 56,404.38
  4. Step 4: Simplify right side
    92,225.62x = 7,178,928,026.87
  5. Step 5: Solve for x
    x = 7,178,928,026.87/92,225.62
  6. Step 6: Final answer
    x = 77,840.93

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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.