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Finding the Fourth Proportional to 255,061.31, 382,259.66 and 158,959.06

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Solution

The fourth proportional to 255,061.31, 382,259.66 and 158,959.06 is: 238,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,061.31 : 382,259.66 = 158,959.06 : x
  2. Step 2: Convert to fraction form
    255,061.31/382,259.66 = 158,959.06/x
  3. Step 3: Cross multiply
    255,061.31x = 382,259.66 × 158,959.06
  4. Step 4: Simplify right side
    255,061.31x = 60,763,634,479.08
  5. Step 5: Solve for x
    x = 60,763,634,479.08/255,061.31
  6. Step 6: Final answer
    x = 238,231.49

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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.