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Finding the Fourth Proportional to 239,192.92, 358,094.34 and 139,047.76

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Solution

The fourth proportional to 239,192.92, 358,094.34 and 139,047.76 is: 208,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,192.92 : 358,094.34 = 139,047.76 : x
  2. Step 2: Convert to fraction form
    239,192.92/358,094.34 = 139,047.76/x
  3. Step 3: Cross multiply
    239,192.92x = 358,094.34 × 139,047.76
  4. Step 4: Simplify right side
    239,192.92x = 49,792,215,845.68
  5. Step 5: Solve for x
    x = 49,792,215,845.68/239,192.92
  6. Step 6: Final answer
    x = 208,167.60

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1.5x scale

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.