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Finding the Fourth Proportional to 155,207.60, 232,811.40 and 107,968.40

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Solution

The fourth proportional to 155,207.60, 232,811.40 and 107,968.40 is: 161,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,207.60 : 232,811.40 = 107,968.40 : x
  2. Step 2: Convert to fraction form
    155,207.60/232,811.40 = 107,968.40/x
  3. Step 3: Cross multiply
    155,207.60x = 232,811.40 × 107,968.40
  4. Step 4: Simplify right side
    155,207.60x = 25,136,274,359.76
  5. Step 5: Solve for x
    x = 25,136,274,359.76/155,207.60
  6. Step 6: Final answer
    x = 161,952.60

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1.5x scale

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.