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Finding the Fourth Proportional to 239,061.54, 358,477.99 and 139,250.22

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Solution

The fourth proportional to 239,061.54, 358,477.99 and 139,250.22 is: 208,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,061.54 : 358,477.99 = 139,250.22 : x
  2. Step 2: Convert to fraction form
    239,061.54/358,477.99 = 139,250.22/x
  3. Step 3: Cross multiply
    239,061.54x = 358,477.99 × 139,250.22
  4. Step 4: Simplify right side
    239,061.54x = 49,918,138,972.66
  5. Step 5: Solve for x
    x = 49,918,138,972.66/239,061.54
  6. Step 6: Final answer
    x = 208,808.74

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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.