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Finding the Fourth Proportional to 176,890.80, 265,336.20 and 58,580.40

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Solution

The fourth proportional to 176,890.80, 265,336.20 and 58,580.40 is: 87,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,890.80 : 265,336.20 = 58,580.40 : x
  2. Step 2: Convert to fraction form
    176,890.80/265,336.20 = 58,580.40/x
  3. Step 3: Cross multiply
    176,890.80x = 265,336.20 × 58,580.40
  4. Step 4: Simplify right side
    176,890.80x = 15,543,500,730.48
  5. Step 5: Solve for x
    x = 15,543,500,730.48/176,890.80
  6. Step 6: Final answer
    x = 87,870.60

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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.