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Finding the Fourth Proportional to 370,117.55, 555,196.60 and 117,379.75

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Solution

The fourth proportional to 370,117.55, 555,196.60 and 117,379.75 is: 176,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,117.55 : 555,196.60 = 117,379.75 : x
  2. Step 2: Convert to fraction form
    370,117.55/555,196.60 = 117,379.75/x
  3. Step 3: Cross multiply
    370,117.55x = 555,196.60 × 117,379.75
  4. Step 4: Simplify right side
    370,117.55x = 65,168,835,896.47
  5. Step 5: Solve for x
    x = 65,168,835,896.47/370,117.55
  6. Step 6: Final answer
    x = 176,076.05

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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.