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Finding the Fourth Proportional to 155,205.60, 232,808.40 and 107,966.40

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Solution

The fourth proportional to 155,205.60, 232,808.40 and 107,966.40 is: 161,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,205.60 : 232,808.40 = 107,966.40 : x
  2. Step 2: Convert to fraction form
    155,205.60/232,808.40 = 107,966.40/x
  3. Step 3: Cross multiply
    155,205.60x = 232,808.40 × 107,966.40
  4. Step 4: Simplify right side
    155,205.60x = 25,135,484,837.76
  5. Step 5: Solve for x
    x = 25,135,484,837.76/155,205.60
  6. Step 6: Final answer
    x = 161,949.60

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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.