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Finding the Fourth Proportional to 146,707.20, 202,435.20 and 83,041.20

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Solution

The fourth proportional to 146,707.20, 202,435.20 and 83,041.20 is: 114,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,707.20 : 202,435.20 = 83,041.20 : x
  2. Step 2: Convert to fraction form
    146,707.20/202,435.20 = 83,041.20/x
  3. Step 3: Cross multiply
    146,707.20x = 202,435.20 × 83,041.20
  4. Step 4: Simplify right side
    146,707.20x = 16,810,461,930.24
  5. Step 5: Solve for x
    x = 16,810,461,930.24/146,707.20
  6. Step 6: Final answer
    x = 114,585.12

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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.