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Finding the Fourth Proportional to 222,547.54, 307,115.78 and 130,648.84

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Solution

The fourth proportional to 222,547.54, 307,115.78 and 130,648.84 is: 180,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,547.54 : 307,115.78 = 130,648.84 : x
  2. Step 2: Convert to fraction form
    222,547.54/307,115.78 = 130,648.84/x
  3. Step 3: Cross multiply
    222,547.54x = 307,115.78 × 130,648.84
  4. Step 4: Simplify right side
    222,547.54x = 40,124,320,402.70
  5. Step 5: Solve for x
    x = 40,124,320,402.70/222,547.54
  6. Step 6: Final answer
    x = 180,295.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.