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Finding the Fourth Proportional to 370,864.46, 556,112.58 and 118,112

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Solution

The fourth proportional to 370,864.46, 556,112.58 and 118,112 is: 177,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,864.46 : 556,112.58 = 118,112 : x
  2. Step 2: Convert to fraction form
    370,864.46/556,112.58 = 118,112/x
  3. Step 3: Cross multiply
    370,864.46x = 556,112.58 × 118,112
  4. Step 4: Simplify right side
    370,864.46x = 65,683,569,048.96
  5. Step 5: Solve for x
    x = 65,683,569,048.96/370,864.46
  6. Step 6: Final answer
    x = 177,109.37

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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.