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Finding the Fourth Proportional to 177,205.60, 265,808.40 and 121,218.40

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Solution

The fourth proportional to 177,205.60, 265,808.40 and 121,218.40 is: 181,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,205.60 : 265,808.40 = 121,218.40 : x
  2. Step 2: Convert to fraction form
    177,205.60/265,808.40 = 121,218.40/x
  3. Step 3: Cross multiply
    177,205.60x = 265,808.40 × 121,218.40
  4. Step 4: Simplify right side
    177,205.60x = 32,220,868,954.56
  5. Step 5: Solve for x
    x = 32,220,868,954.56/177,205.60
  6. Step 6: Final answer
    x = 181,827.60

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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.