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Finding the Fourth Proportional to 153,988.84, 230,991.54 and 48,816.01

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Solution

The fourth proportional to 153,988.84, 230,991.54 and 48,816.01 is: 73,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,988.84 : 230,991.54 = 48,816.01 : x
  2. Step 2: Convert to fraction form
    153,988.84/230,991.54 = 48,816.01/x
  3. Step 3: Cross multiply
    153,988.84x = 230,991.54 × 48,816.01
  4. Step 4: Simplify right side
    153,988.84x = 11,276,085,326.56
  5. Step 5: Solve for x
    x = 11,276,085,326.56/153,988.84
  6. Step 6: Final answer
    x = 73,226.64

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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.