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Finding the Fourth Proportional to 163,114.80, 245,328.30 and 146,056.20

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Solution

The fourth proportional to 163,114.80, 245,328.30 and 146,056.20 is: 219,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,114.80 : 245,328.30 = 146,056.20 : x
  2. Step 2: Convert to fraction form
    163,114.80/245,328.30 = 146,056.20/x
  3. Step 3: Cross multiply
    163,114.80x = 245,328.30 × 146,056.20
  4. Step 4: Simplify right side
    163,114.80x = 35,831,719,250.46
  5. Step 5: Solve for x
    x = 35,831,719,250.46/163,114.80
  6. Step 6: Final answer
    x = 219,671.78

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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.