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Finding the Fourth Proportional to 346,248.60, 519,059.42 and 135,830.04

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Solution

The fourth proportional to 346,248.60, 519,059.42 and 135,830.04 is: 203,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,248.60 : 519,059.42 = 135,830.04 : x
  2. Step 2: Convert to fraction form
    346,248.60/519,059.42 = 135,830.04/x
  3. Step 3: Cross multiply
    346,248.60x = 519,059.42 × 135,830.04
  4. Step 4: Simplify right side
    346,248.60x = 70,503,861,780.98
  5. Step 5: Solve for x
    x = 70,503,861,780.98/346,248.60
  6. Step 6: Final answer
    x = 203,622.08

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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.