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Finding the Fourth Proportional to 181,420.40, 272,065.80 and 63,095.60

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Solution

The fourth proportional to 181,420.40, 272,065.80 and 63,095.60 is: 94,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,420.40 : 272,065.80 = 63,095.60 : x
  2. Step 2: Convert to fraction form
    181,420.40/272,065.80 = 63,095.60/x
  3. Step 3: Cross multiply
    181,420.40x = 272,065.80 × 63,095.60
  4. Step 4: Simplify right side
    181,420.40x = 17,166,154,890.48
  5. Step 5: Solve for x
    x = 17,166,154,890.48/181,420.40
  6. Step 6: Final answer
    x = 94,620.86

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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.