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Finding the Fourth Proportional to 176,985.80, 265,478.70 and 52,326.80

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Solution

The fourth proportional to 176,985.80, 265,478.70 and 52,326.80 is: 78,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,985.80 : 265,478.70 = 52,326.80 : x
  2. Step 2: Convert to fraction form
    176,985.80/265,478.70 = 52,326.80/x
  3. Step 3: Cross multiply
    176,985.80x = 265,478.70 × 52,326.80
  4. Step 4: Simplify right side
    176,985.80x = 13,891,650,839.16
  5. Step 5: Solve for x
    x = 13,891,650,839.16/176,985.80
  6. Step 6: Final answer
    x = 78,490.20

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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.