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Finding the Fourth Proportional to 185,857.92, 256,562.40 and 125,510.40

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Solution

The fourth proportional to 185,857.92, 256,562.40 and 125,510.40 is: 173,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,857.92 : 256,562.40 = 125,510.40 : x
  2. Step 2: Convert to fraction form
    185,857.92/256,562.40 = 125,510.40/x
  3. Step 3: Cross multiply
    185,857.92x = 256,562.40 × 125,510.40
  4. Step 4: Simplify right side
    185,857.92x = 32,201,249,448.96
  5. Step 5: Solve for x
    x = 32,201,249,448.96/185,857.92
  6. Step 6: Final answer
    x = 173,257.34

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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.