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Finding the Fourth Proportional to 254,698.98, 382,094.58 and 83,929.80

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Solution

The fourth proportional to 254,698.98, 382,094.58 and 83,929.80 is: 125,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,698.98 : 382,094.58 = 83,929.80 : x
  2. Step 2: Convert to fraction form
    254,698.98/382,094.58 = 83,929.80/x
  3. Step 3: Cross multiply
    254,698.98x = 382,094.58 × 83,929.80
  4. Step 4: Simplify right side
    254,698.98x = 32,069,121,680.48
  5. Step 5: Solve for x
    x = 32,069,121,680.48/254,698.98
  6. Step 6: Final answer
    x = 125,909.89

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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.