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Finding the Fourth Proportional to 124,235.60, 185,964.60 and 97,797.20

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Solution

The fourth proportional to 124,235.60, 185,964.60 and 97,797.20 is: 146,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,235.60 : 185,964.60 = 97,797.20 : x
  2. Step 2: Convert to fraction form
    124,235.60/185,964.60 = 97,797.20/x
  3. Step 3: Cross multiply
    124,235.60x = 185,964.60 × 97,797.20
  4. Step 4: Simplify right side
    124,235.60x = 18,186,817,179.12
  5. Step 5: Solve for x
    x = 18,186,817,179.12/124,235.60
  6. Step 6: Final answer
    x = 146,389.74

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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.