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Finding the Fourth Proportional to 374,102.60, 561,153.90 and 93,619.40

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Solution

The fourth proportional to 374,102.60, 561,153.90 and 93,619.40 is: 140,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,102.60 : 561,153.90 = 93,619.40 : x
  2. Step 2: Convert to fraction form
    374,102.60/561,153.90 = 93,619.40/x
  3. Step 3: Cross multiply
    374,102.60x = 561,153.90 × 93,619.40
  4. Step 4: Simplify right side
    374,102.60x = 52,534,891,425.66
  5. Step 5: Solve for x
    x = 52,534,891,425.66/374,102.60
  6. Step 6: Final answer
    x = 140,429.10

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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.