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Finding the Fourth Proportional to 243,308.07, 364,524.71 and 148,488.86

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Solution

The fourth proportional to 243,308.07, 364,524.71 and 148,488.86 is: 222,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,308.07 : 364,524.71 = 148,488.86 : x
  2. Step 2: Convert to fraction form
    243,308.07/364,524.71 = 148,488.86/x
  3. Step 3: Cross multiply
    243,308.07x = 364,524.71 × 148,488.86
  4. Step 4: Simplify right side
    243,308.07x = 54,127,858,798.60
  5. Step 5: Solve for x
    x = 54,127,858,798.60/243,308.07
  6. Step 6: Final answer
    x = 222,466.35

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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.