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Finding the Fourth Proportional to 161,701.20, 242,551.80 and 154,875.60

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Solution

The fourth proportional to 161,701.20, 242,551.80 and 154,875.60 is: 232,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,701.20 : 242,551.80 = 154,875.60 : x
  2. Step 2: Convert to fraction form
    161,701.20/242,551.80 = 154,875.60/x
  3. Step 3: Cross multiply
    161,701.20x = 242,551.80 × 154,875.60
  4. Step 4: Simplify right side
    161,701.20x = 37,565,355,556.08
  5. Step 5: Solve for x
    x = 37,565,355,556.08/161,701.20
  6. Step 6: Final answer
    x = 232,313.40

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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.