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Finding the Fourth Proportional to 163,867.84, 245,802.53 and 57,251.34

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Solution

The fourth proportional to 163,867.84, 245,802.53 and 57,251.34 is: 85,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,867.84 : 245,802.53 = 57,251.34 : x
  2. Step 2: Convert to fraction form
    163,867.84/245,802.53 = 57,251.34/x
  3. Step 3: Cross multiply
    163,867.84x = 245,802.53 × 57,251.34
  4. Step 4: Simplify right side
    163,867.84x = 14,072,524,361.02
  5. Step 5: Solve for x
    x = 14,072,524,361.02/163,867.84
  6. Step 6: Final answer
    x = 85,877.28

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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.