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Finding the Fourth Proportional to 153,350.60, 230,036.70 and 86,822.60

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Solution

The fourth proportional to 153,350.60, 230,036.70 and 86,822.60 is: 130,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,350.60 : 230,036.70 = 86,822.60 : x
  2. Step 2: Convert to fraction form
    153,350.60/230,036.70 = 86,822.60/x
  3. Step 3: Cross multiply
    153,350.60x = 230,036.70 × 86,822.60
  4. Step 4: Simplify right side
    153,350.60x = 19,972,384,389.42
  5. Step 5: Solve for x
    x = 19,972,384,389.42/153,350.60
  6. Step 6: Final answer
    x = 130,240.01

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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.