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Finding the Fourth Proportional to 243,144.96, 364,671.04 and 103,002.08

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Solution

The fourth proportional to 243,144.96, 364,671.04 and 103,002.08 is: 154,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,144.96 : 364,671.04 = 103,002.08 : x
  2. Step 2: Convert to fraction form
    243,144.96/364,671.04 = 103,002.08/x
  3. Step 3: Cross multiply
    243,144.96x = 364,671.04 × 103,002.08
  4. Step 4: Simplify right side
    243,144.96x = 37,561,875,635.76
  5. Step 5: Solve for x
    x = 37,561,875,635.76/243,144.96
  6. Step 6: Final answer
    x = 154,483.46

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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.