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Finding the Fourth Proportional to 176,969.52, 265,307.34 and 70,287.66

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Solution

The fourth proportional to 176,969.52, 265,307.34 and 70,287.66 is: 105,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,969.52 : 265,307.34 = 70,287.66 : x
  2. Step 2: Convert to fraction form
    176,969.52/265,307.34 = 70,287.66/x
  3. Step 3: Cross multiply
    176,969.52x = 265,307.34 × 70,287.66
  4. Step 4: Simplify right side
    176,969.52x = 18,647,832,373.00
  5. Step 5: Solve for x
    x = 18,647,832,373.00/176,969.52
  6. Step 6: Final answer
    x = 105,373.13

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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.