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Finding the Fourth Proportional to 92,497.51, 138,746.16 and 25,947.49

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Solution

The fourth proportional to 92,497.51, 138,746.16 and 25,947.49 is: 38,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,497.51 : 138,746.16 = 25,947.49 : x
  2. Step 2: Convert to fraction form
    92,497.51/138,746.16 = 25,947.49/x
  3. Step 3: Cross multiply
    92,497.51x = 138,746.16 × 25,947.49
  4. Step 4: Simplify right side
    92,497.51x = 3,600,114,599.14
  5. Step 5: Solve for x
    x = 3,600,114,599.14/92,497.51
  6. Step 6: Final answer
    x = 38,921.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.