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Finding the Fourth Proportional to 241,432.60, 362,004.90 and 148,005.40

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Solution

The fourth proportional to 241,432.60, 362,004.90 and 148,005.40 is: 221,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,432.60 : 362,004.90 = 148,005.40 : x
  2. Step 2: Convert to fraction form
    241,432.60/362,004.90 = 148,005.40/x
  3. Step 3: Cross multiply
    241,432.60x = 362,004.90 × 148,005.40
  4. Step 4: Simplify right side
    241,432.60x = 53,578,680,026.46
  5. Step 5: Solve for x
    x = 53,578,680,026.46/241,432.60
  6. Step 6: Final answer
    x = 221,919.82

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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.