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Finding the Fourth Proportional to 222,502.47, 307,047.08 and 130,620.29

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Solution

The fourth proportional to 222,502.47, 307,047.08 and 130,620.29 is: 180,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,502.47 : 307,047.08 = 130,620.29 : x
  2. Step 2: Convert to fraction form
    222,502.47/307,047.08 = 130,620.29/x
  3. Step 3: Cross multiply
    222,502.47x = 307,047.08 × 130,620.29
  4. Step 4: Simplify right side
    222,502.47x = 40,106,576,444.92
  5. Step 5: Solve for x
    x = 40,106,576,444.92/222,502.47
  6. Step 6: Final answer
    x = 180,252.28

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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.