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Finding the Fourth Proportional to 243,359.04, 364,273.80 and 154,712.64

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Solution

The fourth proportional to 243,359.04, 364,273.80 and 154,712.64 is: 231,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,359.04 : 364,273.80 = 154,712.64 : x
  2. Step 2: Convert to fraction form
    243,359.04/364,273.80 = 154,712.64/x
  3. Step 3: Cross multiply
    243,359.04x = 364,273.80 × 154,712.64
  4. Step 4: Simplify right side
    243,359.04x = 56,357,761,280.83
  5. Step 5: Solve for x
    x = 56,357,761,280.83/243,359.04
  6. Step 6: Final answer
    x = 231,582.77

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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.