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Finding the Fourth Proportional to 393,750.51, 590,855.19 and 166,032.18

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Solution

The fourth proportional to 393,750.51, 590,855.19 and 166,032.18 is: 249,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,750.51 : 590,855.19 = 166,032.18 : x
  2. Step 2: Convert to fraction form
    393,750.51/590,855.19 = 166,032.18/x
  3. Step 3: Cross multiply
    393,750.51x = 590,855.19 × 166,032.18
  4. Step 4: Simplify right side
    393,750.51x = 98,100,975,260.01
  5. Step 5: Solve for x
    x = 98,100,975,260.01/393,750.51
  6. Step 6: Final answer
    x = 249,145.01

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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.