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Finding the Fourth Proportional to 171,852.48, 257,473.71 and 71,792.46

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Solution

The fourth proportional to 171,852.48, 257,473.71 and 71,792.46 is: 107,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,852.48 : 257,473.71 = 71,792.46 : x
  2. Step 2: Convert to fraction form
    171,852.48/257,473.71 = 71,792.46/x
  3. Step 3: Cross multiply
    171,852.48x = 257,473.71 × 71,792.46
  4. Step 4: Simplify right side
    171,852.48x = 18,484,671,026.23
  5. Step 5: Solve for x
    x = 18,484,671,026.23/171,852.48
  6. Step 6: Final answer
    x = 107,561.27

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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.