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Finding the Fourth Proportional to 370,810, 556,232.28 and 108,154

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Solution

The fourth proportional to 370,810, 556,232.28 and 108,154 is: 162,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,810 : 556,232.28 = 108,154 : x
  2. Step 2: Convert to fraction form
    370,810/556,232.28 = 108,154/x
  3. Step 3: Cross multiply
    370,810x = 556,232.28 × 108,154
  4. Step 4: Simplify right side
    370,810x = 60,158,746,011.12
  5. Step 5: Solve for x
    x = 60,158,746,011.12/370,810
  6. Step 6: Final answer
    x = 162,236.04

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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.