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Finding the Fourth Proportional to 153,482.52, 211,910.28 and 96,145.56

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Solution

The fourth proportional to 153,482.52, 211,910.28 and 96,145.56 is: 132,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,482.52 : 211,910.28 = 96,145.56 : x
  2. Step 2: Convert to fraction form
    153,482.52/211,910.28 = 96,145.56/x
  3. Step 3: Cross multiply
    153,482.52x = 211,910.28 × 96,145.56
  4. Step 4: Simplify right side
    153,482.52x = 20,374,232,540.36
  5. Step 5: Solve for x
    x = 20,374,232,540.36/153,482.52
  6. Step 6: Final answer
    x = 132,746.27

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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.