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Finding the Fourth Proportional to 367,435.60, 551,153.40 and 157,094.80

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Solution

The fourth proportional to 367,435.60, 551,153.40 and 157,094.80 is: 235,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,435.60 : 551,153.40 = 157,094.80 : x
  2. Step 2: Convert to fraction form
    367,435.60/551,153.40 = 157,094.80/x
  3. Step 3: Cross multiply
    367,435.60x = 551,153.40 × 157,094.80
  4. Step 4: Simplify right side
    367,435.60x = 86,583,333,142.32
  5. Step 5: Solve for x
    x = 86,583,333,142.32/367,435.60
  6. Step 6: Final answer
    x = 235,642.20

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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.