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Finding the Fourth Proportional to 222,547.41, 307,115.60 and 130,648.71

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Solution

The fourth proportional to 222,547.41, 307,115.60 and 130,648.71 is: 180,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,547.41 : 307,115.60 = 130,648.71 : x
  2. Step 2: Convert to fraction form
    222,547.41/307,115.60 = 130,648.71/x
  3. Step 3: Cross multiply
    222,547.41x = 307,115.60 × 130,648.71
  4. Step 4: Simplify right side
    222,547.41x = 40,124,256,960.88
  5. Step 5: Solve for x
    x = 40,124,256,960.88/222,547.41
  6. Step 6: Final answer
    x = 180,295.32

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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.