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Finding the Fourth Proportional to 178,802.40, 246,751.67 and 98,235.15

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Solution

The fourth proportional to 178,802.40, 246,751.67 and 98,235.15 is: 135,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,802.40 : 246,751.67 = 98,235.15 : x
  2. Step 2: Convert to fraction form
    178,802.40/246,751.67 = 98,235.15/x
  3. Step 3: Cross multiply
    178,802.40x = 246,751.67 × 98,235.15
  4. Step 4: Simplify right side
    178,802.40x = 24,239,686,082.90
  5. Step 5: Solve for x
    x = 24,239,686,082.90/178,802.40
  6. Step 6: Final answer
    x = 135,566.89

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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.