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Finding the Fourth Proportional to 255,161.66, 382,022.55 and 134,946.18

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Solution

The fourth proportional to 255,161.66, 382,022.55 and 134,946.18 is: 202,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,161.66 : 382,022.55 = 134,946.18 : x
  2. Step 2: Convert to fraction form
    255,161.66/382,022.55 = 134,946.18/x
  3. Step 3: Cross multiply
    255,161.66x = 382,022.55 × 134,946.18
  4. Step 4: Simplify right side
    255,161.66x = 51,552,483,796.36
  5. Step 5: Solve for x
    x = 51,552,483,796.36/255,161.66
  6. Step 6: Final answer
    x = 202,038.52

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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.