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Finding the Fourth Proportional to 292,002.60, 437,875.90 and 134,178.60

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Solution

The fourth proportional to 292,002.60, 437,875.90 and 134,178.60 is: 201,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,002.60 : 437,875.90 = 134,178.60 : x
  2. Step 2: Convert to fraction form
    292,002.60/437,875.90 = 134,178.60/x
  3. Step 3: Cross multiply
    292,002.60x = 437,875.90 × 134,178.60
  4. Step 4: Simplify right side
    292,002.60x = 58,753,575,235.74
  5. Step 5: Solve for x
    x = 58,753,575,235.74/292,002.60
  6. Step 6: Final answer
    x = 201,209.08

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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.