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Finding the Fourth Proportional to 260,036.19, 390,034.85 and 93,824.19

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Solution

The fourth proportional to 260,036.19, 390,034.85 and 93,824.19 is: 140,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,036.19 : 390,034.85 = 93,824.19 : x
  2. Step 2: Convert to fraction form
    260,036.19/390,034.85 = 93,824.19/x
  3. Step 3: Cross multiply
    260,036.19x = 390,034.85 × 93,824.19
  4. Step 4: Simplify right side
    260,036.19x = 36,594,703,403.90
  5. Step 5: Solve for x
    x = 36,594,703,403.90/260,036.19
  6. Step 6: Final answer
    x = 140,729.27

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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.