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Finding the Fourth Proportional to 176,978.22, 265,506.18 and 130,088.94

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Solution

The fourth proportional to 176,978.22, 265,506.18 and 130,088.94 is: 195,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,978.22 : 265,506.18 = 130,088.94 : x
  2. Step 2: Convert to fraction form
    176,978.22/265,506.18 = 130,088.94/x
  3. Step 3: Cross multiply
    176,978.22x = 265,506.18 × 130,088.94
  4. Step 4: Simplify right side
    176,978.22x = 34,539,417,519.65
  5. Step 5: Solve for x
    x = 34,539,417,519.65/176,978.22
  6. Step 6: Final answer
    x = 195,161.97

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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.