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Finding the Fourth Proportional to 370,782.60, 556,168.50 and 118,060.17

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Solution

The fourth proportional to 370,782.60, 556,168.50 and 118,060.17 is: 177,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,782.60 : 556,168.50 = 118,060.17 : x
  2. Step 2: Convert to fraction form
    370,782.60/556,168.50 = 118,060.17/x
  3. Step 3: Cross multiply
    370,782.60x = 556,168.50 × 118,060.17
  4. Step 4: Simplify right side
    370,782.60x = 65,661,347,658.65
  5. Step 5: Solve for x
    x = 65,661,347,658.65/370,782.60
  6. Step 6: Final answer
    x = 177,088.54

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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.