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Finding the Fourth Proportional to 163,505.84, 225,598.64 and 95,484.20

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Solution

The fourth proportional to 163,505.84, 225,598.64 and 95,484.20 is: 131,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,505.84 : 225,598.64 = 95,484.20 : x
  2. Step 2: Convert to fraction form
    163,505.84/225,598.64 = 95,484.20/x
  3. Step 3: Cross multiply
    163,505.84x = 225,598.64 × 95,484.20
  4. Step 4: Simplify right side
    163,505.84x = 21,541,105,661.49
  5. Step 5: Solve for x
    x = 21,541,105,661.49/163,505.84
  6. Step 6: Final answer
    x = 131,745.18

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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.