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Finding the Fourth Proportional to 260,358, 390,575.88 and 94,184.88

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Solution

The fourth proportional to 260,358, 390,575.88 and 94,184.88 is: 141,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,358 : 390,575.88 = 94,184.88 : x
  2. Step 2: Convert to fraction form
    260,358/390,575.88 = 94,184.88/x
  3. Step 3: Cross multiply
    260,358x = 390,575.88 × 94,184.88
  4. Step 4: Simplify right side
    260,358x = 36,786,342,388.69
  5. Step 5: Solve for x
    x = 36,786,342,388.69/260,358
  6. Step 6: Final answer
    x = 141,291.38

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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.