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Finding the Fourth Proportional to 222,547.29, 307,115.43 and 130,648.59

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Solution

The fourth proportional to 222,547.29, 307,115.43 and 130,648.59 is: 180,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,547.29 : 307,115.43 = 130,648.59 : x
  2. Step 2: Convert to fraction form
    222,547.29/307,115.43 = 130,648.59/x
  3. Step 3: Cross multiply
    222,547.29x = 307,115.43 × 130,648.59
  4. Step 4: Simplify right side
    222,547.29x = 40,124,197,896.74
  5. Step 5: Solve for x
    x = 40,124,197,896.74/222,547.29
  6. Step 6: Final answer
    x = 180,295.15

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