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Finding the Fourth Proportional to 239,668.10, 330,683.00 and 146,510.31

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Solution

The fourth proportional to 239,668.10, 330,683.00 and 146,510.31 is: 202,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,668.10 : 330,683.00 = 146,510.31 : x
  2. Step 2: Convert to fraction form
    239,668.10/330,683.00 = 146,510.31/x
  3. Step 3: Cross multiply
    239,668.10x = 330,683.00 × 146,510.31
  4. Step 4: Simplify right side
    239,668.10x = 48,448,468,109.18
  5. Step 5: Solve for x
    x = 48,448,468,109.18/239,668.10
  6. Step 6: Final answer
    x = 202,148.18

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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.