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Finding the Fourth Proportional to 260,852.35, 391,164.58 and 92,316.68

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Solution

The fourth proportional to 260,852.35, 391,164.58 and 92,316.68 is: 138,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,852.35 : 391,164.58 = 92,316.68 : x
  2. Step 2: Convert to fraction form
    260,852.35/391,164.58 = 92,316.68/x
  3. Step 3: Cross multiply
    260,852.35x = 391,164.58 × 92,316.68
  4. Step 4: Simplify right side
    260,852.35x = 36,111,014,897.61
  5. Step 5: Solve for x
    x = 36,111,014,897.61/260,852.35
  6. Step 6: Final answer
    x = 138,434.70

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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.