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Finding the Fourth Proportional to 110,645.72, 152,690.40 and 62,899.07

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Solution

The fourth proportional to 110,645.72, 152,690.40 and 62,899.07 is: 86,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,645.72 : 152,690.40 = 62,899.07 : x
  2. Step 2: Convert to fraction form
    110,645.72/152,690.40 = 62,899.07/x
  3. Step 3: Cross multiply
    110,645.72x = 152,690.40 × 62,899.07
  4. Step 4: Simplify right side
    110,645.72x = 9,604,084,157.93
  5. Step 5: Solve for x
    x = 9,604,084,157.93/110,645.72
  6. Step 6: Final answer
    x = 86,800.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.