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Finding the Fourth Proportional to 176,980.80, 265,471.20 and 52,321.80

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Solution

The fourth proportional to 176,980.80, 265,471.20 and 52,321.80 is: 78,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,980.80 : 265,471.20 = 52,321.80 : x
  2. Step 2: Convert to fraction form
    176,980.80/265,471.20 = 52,321.80/x
  3. Step 3: Cross multiply
    176,980.80x = 265,471.20 × 52,321.80
  4. Step 4: Simplify right side
    176,980.80x = 13,889,931,032.16
  5. Step 5: Solve for x
    x = 13,889,931,032.16/176,980.80
  6. Step 6: Final answer
    x = 78,482.70

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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.