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Finding the Fourth Proportional to 243,596.25, 336,139.20 and 152,923.23

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Solution

The fourth proportional to 243,596.25, 336,139.20 and 152,923.23 is: 211,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,596.25 : 336,139.20 = 152,923.23 : x
  2. Step 2: Convert to fraction form
    243,596.25/336,139.20 = 152,923.23/x
  3. Step 3: Cross multiply
    243,596.25x = 336,139.20 × 152,923.23
  4. Step 4: Simplify right side
    243,596.25x = 51,403,492,193.62
  5. Step 5: Solve for x
    x = 51,403,492,193.62/243,596.25
  6. Step 6: Final answer
    x = 211,019.23

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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.