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Finding the Fourth Proportional to 176,642.05, 265,050.70 and 70,023.75

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Solution

The fourth proportional to 176,642.05, 265,050.70 and 70,023.75 is: 105,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,642.05 : 265,050.70 = 70,023.75 : x
  2. Step 2: Convert to fraction form
    176,642.05/265,050.70 = 70,023.75/x
  3. Step 3: Cross multiply
    176,642.05x = 265,050.70 × 70,023.75
  4. Step 4: Simplify right side
    176,642.05x = 18,559,842,628.87
  5. Step 5: Solve for x
    x = 18,559,842,628.87/176,642.05
  6. Step 6: Final answer
    x = 105,070.36

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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.