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Finding the Fourth Proportional to 177,256.60, 265,884.90 and 121,269.40

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Solution

The fourth proportional to 177,256.60, 265,884.90 and 121,269.40 is: 181,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,256.60 : 265,884.90 = 121,269.40 : x
  2. Step 2: Convert to fraction form
    177,256.60/265,884.90 = 121,269.40/x
  3. Step 3: Cross multiply
    177,256.60x = 265,884.90 × 121,269.40
  4. Step 4: Simplify right side
    177,256.60x = 32,243,702,292.06
  5. Step 5: Solve for x
    x = 32,243,702,292.06/177,256.60
  6. Step 6: Final answer
    x = 181,904.10

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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.