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Finding the Fourth Proportional to 247,157.84, 370,756.20 and 97,387.76

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Solution

The fourth proportional to 247,157.84, 370,756.20 and 97,387.76 is: 146,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,157.84 : 370,756.20 = 97,387.76 : x
  2. Step 2: Convert to fraction form
    247,157.84/370,756.20 = 97,387.76/x
  3. Step 3: Cross multiply
    247,157.84x = 370,756.20 × 97,387.76
  4. Step 4: Simplify right side
    247,157.84x = 36,107,115,824.11
  5. Step 5: Solve for x
    x = 36,107,115,824.11/247,157.84
  6. Step 6: Final answer
    x = 146,089.30

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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.