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Finding the Fourth Proportional to 245,906.60, 368,903.10 and 88,226.60

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Solution

The fourth proportional to 245,906.60, 368,903.10 and 88,226.60 is: 132,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,906.60 : 368,903.10 = 88,226.60 : x
  2. Step 2: Convert to fraction form
    245,906.60/368,903.10 = 88,226.60/x
  3. Step 3: Cross multiply
    245,906.60x = 368,903.10 × 88,226.60
  4. Step 4: Simplify right side
    245,906.60x = 32,547,066,242.46
  5. Step 5: Solve for x
    x = 32,547,066,242.46/245,906.60
  6. Step 6: Final answer
    x = 132,355.40

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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.