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Finding the Fourth Proportional to 92,497.25, 127,529.97 and 75,484.28

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Solution

The fourth proportional to 92,497.25, 127,529.97 and 75,484.28 is: 104,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,497.25 : 127,529.97 = 75,484.28 : x
  2. Step 2: Convert to fraction form
    92,497.25/127,529.97 = 75,484.28/x
  3. Step 3: Cross multiply
    92,497.25x = 127,529.97 × 75,484.28
  4. Step 4: Simplify right side
    92,497.25x = 9,626,507,963.87
  5. Step 5: Solve for x
    x = 9,626,507,963.87/92,497.25
  6. Step 6: Final answer
    x = 104,073.45

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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.