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Finding the Fourth Proportional to 110,436.51, 152,404.16 and 60,135.51

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Solution

The fourth proportional to 110,436.51, 152,404.16 and 60,135.51 is: 82,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,436.51 : 152,404.16 = 60,135.51 : x
  2. Step 2: Convert to fraction form
    110,436.51/152,404.16 = 60,135.51/x
  3. Step 3: Cross multiply
    110,436.51x = 152,404.16 × 60,135.51
  4. Step 4: Simplify right side
    110,436.51x = 9,164,901,587.04
  5. Step 5: Solve for x
    x = 9,164,901,587.04/110,436.51
  6. Step 6: Final answer
    x = 82,987.97

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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.