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Finding the Fourth Proportional to 178,019.04, 245,649.60 and 106,384.80

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Solution

The fourth proportional to 178,019.04, 245,649.60 and 106,384.80 is: 146,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019.04 : 245,649.60 = 106,384.80 : x
  2. Step 2: Convert to fraction form
    178,019.04/245,649.60 = 106,384.80/x
  3. Step 3: Cross multiply
    178,019.04x = 245,649.60 × 106,384.80
  4. Step 4: Simplify right side
    178,019.04x = 26,133,383,566.08
  5. Step 5: Solve for x
    x = 26,133,383,566.08/178,019.04
  6. Step 6: Final answer
    x = 146,801.06

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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.