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Finding the Fourth Proportional to 181,911.40, 272,802.30 and 63,586.60

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Solution

The fourth proportional to 181,911.40, 272,802.30 and 63,586.60 is: 95,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,911.40 : 272,802.30 = 63,586.60 : x
  2. Step 2: Convert to fraction form
    181,911.40/272,802.30 = 63,586.60/x
  3. Step 3: Cross multiply
    181,911.40x = 272,802.30 × 63,586.60
  4. Step 4: Simplify right side
    181,911.40x = 17,346,570,729.18
  5. Step 5: Solve for x
    x = 17,346,570,729.18/181,911.40
  6. Step 6: Final answer
    x = 95,357.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.