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Finding the Fourth Proportional to 247,281.80, 370,922.70 and 158,635.40

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Solution

The fourth proportional to 247,281.80, 370,922.70 and 158,635.40 is: 237,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,281.80 : 370,922.70 = 158,635.40 : x
  2. Step 2: Convert to fraction form
    247,281.80/370,922.70 = 158,635.40/x
  3. Step 3: Cross multiply
    247,281.80x = 370,922.70 × 158,635.40
  4. Step 4: Simplify right side
    247,281.80x = 58,841,470,883.58
  5. Step 5: Solve for x
    x = 58,841,470,883.58/247,281.80
  6. Step 6: Final answer
    x = 237,953.10

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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.