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Finding the Fourth Proportional to 152,472.75, 210,412.41 and 92,856.75

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Solution

The fourth proportional to 152,472.75, 210,412.41 and 92,856.75 is: 128,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,472.75 : 210,412.41 = 92,856.75 : x
  2. Step 2: Convert to fraction form
    152,472.75/210,412.41 = 92,856.75/x
  3. Step 3: Cross multiply
    152,472.75x = 210,412.41 × 92,856.75
  4. Step 4: Simplify right side
    152,472.75x = 19,538,212,552.27
  5. Step 5: Solve for x
    x = 19,538,212,552.27/152,472.75
  6. Step 6: Final answer
    x = 128,142.32

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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.