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Finding the Fourth Proportional to 370,243.64, 555,587.76 and 159,881.60

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Solution

The fourth proportional to 370,243.64, 555,587.76 and 159,881.60 is: 239,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,243.64 : 555,587.76 = 159,881.60 : x
  2. Step 2: Convert to fraction form
    370,243.64/555,587.76 = 159,881.60/x
  3. Step 3: Cross multiply
    370,243.64x = 555,587.76 × 159,881.60
  4. Step 4: Simplify right side
    370,243.64x = 88,828,260,009.22
  5. Step 5: Solve for x
    x = 88,828,260,009.22/370,243.64
  6. Step 6: Final answer
    x = 239,918.40

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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.