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Finding the Fourth Proportional to 370,055.04, 555,102.21 and 117,355.44

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Solution

The fourth proportional to 370,055.04, 555,102.21 and 117,355.44 is: 176,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,055.04 : 555,102.21 = 117,355.44 : x
  2. Step 2: Convert to fraction form
    370,055.04/555,102.21 = 117,355.44/x
  3. Step 3: Cross multiply
    370,055.04x = 555,102.21 × 117,355.44
  4. Step 4: Simplify right side
    370,055.04x = 65,144,264,099.52
  5. Step 5: Solve for x
    x = 65,144,264,099.52/370,055.04
  6. Step 6: Final answer
    x = 176,039.39

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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.