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Finding the Fourth Proportional to 163,622.60, 245,433.90 and 146,515.40

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Solution

The fourth proportional to 163,622.60, 245,433.90 and 146,515.40 is: 219,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,622.60 : 245,433.90 = 146,515.40 : x
  2. Step 2: Convert to fraction form
    163,622.60/245,433.90 = 146,515.40/x
  3. Step 3: Cross multiply
    163,622.60x = 245,433.90 × 146,515.40
  4. Step 4: Simplify right side
    163,622.60x = 35,959,846,032.06
  5. Step 5: Solve for x
    x = 35,959,846,032.06/163,622.60
  6. Step 6: Final answer
    x = 219,773.10

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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.