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Finding the Fourth Proportional to 70,907.42, 106,402.47 and 26,565.32

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Solution

The fourth proportional to 70,907.42, 106,402.47 and 26,565.32 is: 39,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.42 : 106,402.47 = 26,565.32 : x
  2. Step 2: Convert to fraction form
    70,907.42/106,402.47 = 26,565.32/x
  3. Step 3: Cross multiply
    70,907.42x = 106,402.47 × 26,565.32
  4. Step 4: Simplify right side
    70,907.42x = 2,826,615,132.33
  5. Step 5: Solve for x
    x = 2,826,615,132.33/70,907.42
  6. Step 6: Final answer
    x = 39,863.46

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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.