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Finding the Fourth Proportional to 181,008.16, 249,798 and 109,374.48

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Solution

The fourth proportional to 181,008.16, 249,798 and 109,374.48 is: 150,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,008.16 : 249,798 = 109,374.48 : x
  2. Step 2: Convert to fraction form
    181,008.16/249,798 = 109,374.48/x
  3. Step 3: Cross multiply
    181,008.16x = 249,798 × 109,374.48
  4. Step 4: Simplify right side
    181,008.16x = 27,321,526,355.04
  5. Step 5: Solve for x
    x = 27,321,526,355.04/181,008.16
  6. Step 6: Final answer
    x = 150,940.85

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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.