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Finding the Fourth Proportional to 174,369.60, 240,631.20 and 98,919.36

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Solution

The fourth proportional to 174,369.60, 240,631.20 and 98,919.36 is: 136,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,369.60 : 240,631.20 = 98,919.36 : x
  2. Step 2: Convert to fraction form
    174,369.60/240,631.20 = 98,919.36/x
  3. Step 3: Cross multiply
    174,369.60x = 240,631.20 × 98,919.36
  4. Step 4: Simplify right side
    174,369.60x = 23,803,084,300.03
  5. Step 5: Solve for x
    x = 23,803,084,300.03/174,369.60
  6. Step 6: Final answer
    x = 136,509.37

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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.