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Finding the Fourth Proportional to 171,156.56, 236,205.12 and 98,570.48

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Solution

The fourth proportional to 171,156.56, 236,205.12 and 98,570.48 is: 136,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,156.56 : 236,205.12 = 98,570.48 : x
  2. Step 2: Convert to fraction form
    171,156.56/236,205.12 = 98,570.48/x
  3. Step 3: Cross multiply
    171,156.56x = 236,205.12 × 98,570.48
  4. Step 4: Simplify right side
    171,156.56x = 23,282,852,056.86
  5. Step 5: Solve for x
    x = 23,282,852,056.86/171,156.56
  6. Step 6: Final answer
    x = 136,032.48

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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.