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Finding the Fourth Proportional to 176,821.79, 265,135.75 and 70,097.63

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Solution

The fourth proportional to 176,821.79, 265,135.75 and 70,097.63 is: 105,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,821.79 : 265,135.75 = 70,097.63 : x
  2. Step 2: Convert to fraction form
    176,821.79/265,135.75 = 70,097.63/x
  3. Step 3: Cross multiply
    176,821.79x = 265,135.75 × 70,097.63
  4. Step 4: Simplify right side
    176,821.79x = 18,585,386,202.35
  5. Step 5: Solve for x
    x = 18,585,386,202.35/176,821.79
  6. Step 6: Final answer
    x = 105,108.01

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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.