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Finding the Fourth Proportional to 179,365.33, 247,619.15 and 138,988.45

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Solution

The fourth proportional to 179,365.33, 247,619.15 and 138,988.45 is: 191,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,365.33 : 247,619.15 = 138,988.45 : x
  2. Step 2: Convert to fraction form
    179,365.33/247,619.15 = 138,988.45/x
  3. Step 3: Cross multiply
    179,365.33x = 247,619.15 × 138,988.45
  4. Step 4: Simplify right side
    179,365.33x = 34,416,201,848.82
  5. Step 5: Solve for x
    x = 34,416,201,848.82/179,365.33
  6. Step 6: Final answer
    x = 191,877.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.