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Finding the Fourth Proportional to 178,151.36, 245,852.82 and 101,668.92

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Solution

The fourth proportional to 178,151.36, 245,852.82 and 101,668.92 is: 140,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,151.36 : 245,852.82 = 101,668.92 : x
  2. Step 2: Convert to fraction form
    178,151.36/245,852.82 = 101,668.92/x
  3. Step 3: Cross multiply
    178,151.36x = 245,852.82 × 101,668.92
  4. Step 4: Simplify right side
    178,151.36x = 24,995,590,688.35
  5. Step 5: Solve for x
    x = 24,995,590,688.35/178,151.36
  6. Step 6: Final answer
    x = 140,305.36

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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.