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Finding the Fourth Proportional to 370,172.28, 555,480.56 and 159,810.01

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Solution

The fourth proportional to 370,172.28, 555,480.56 and 159,810.01 is: 239,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,172.28 : 555,480.56 = 159,810.01 : x
  2. Step 2: Convert to fraction form
    370,172.28/555,480.56 = 159,810.01/x
  3. Step 3: Cross multiply
    370,172.28x = 555,480.56 × 159,810.01
  4. Step 4: Simplify right side
    370,172.28x = 88,771,353,848.41
  5. Step 5: Solve for x
    x = 88,771,353,848.41/370,172.28
  6. Step 6: Final answer
    x = 239,810.92

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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.