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Finding the Fourth Proportional to 110,337.20, 165,574.20 and 57,784.40

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Solution

The fourth proportional to 110,337.20, 165,574.20 and 57,784.40 is: 86,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,337.20 : 165,574.20 = 57,784.40 : x
  2. Step 2: Convert to fraction form
    110,337.20/165,574.20 = 57,784.40/x
  3. Step 3: Cross multiply
    110,337.20x = 165,574.20 × 57,784.40
  4. Step 4: Simplify right side
    110,337.20x = 9,567,605,802.48
  5. Step 5: Solve for x
    x = 9,567,605,802.48/110,337.20
  6. Step 6: Final answer
    x = 86,712.42

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1.5x scale

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.