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Finding the Fourth Proportional to 370,585.20, 555,877.80 and 90,100.02

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Solution

The fourth proportional to 370,585.20, 555,877.80 and 90,100.02 is: 135,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,585.20 : 555,877.80 = 90,100.02 : x
  2. Step 2: Convert to fraction form
    370,585.20/555,877.80 = 90,100.02/x
  3. Step 3: Cross multiply
    370,585.20x = 555,877.80 × 90,100.02
  4. Step 4: Simplify right side
    370,585.20x = 50,084,600,897.56
  5. Step 5: Solve for x
    x = 50,084,600,897.56/370,585.20
  6. Step 6: Final answer
    x = 135,150.03

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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.