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Finding the Fourth Proportional to 240,980.60, 361,406.10 and 100,710.20

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Solution

The fourth proportional to 240,980.60, 361,406.10 and 100,710.20 is: 151,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,980.60 : 361,406.10 = 100,710.20 : x
  2. Step 2: Convert to fraction form
    240,980.60/361,406.10 = 100,710.20/x
  3. Step 3: Cross multiply
    240,980.60x = 361,406.10 × 100,710.20
  4. Step 4: Simplify right side
    240,980.60x = 36,397,280,612.22
  5. Step 5: Solve for x
    x = 36,397,280,612.22/240,980.60
  6. Step 6: Final answer
    x = 151,038.22

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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.