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Finding the Fourth Proportional to 153,525.54, 211,953.15 and 102,624.48

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Solution

The fourth proportional to 153,525.54, 211,953.15 and 102,624.48 is: 141,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,525.54 : 211,953.15 = 102,624.48 : x
  2. Step 2: Convert to fraction form
    153,525.54/211,953.15 = 102,624.48/x
  3. Step 3: Cross multiply
    153,525.54x = 211,953.15 × 102,624.48
  4. Step 4: Simplify right side
    153,525.54x = 21,751,580,230.22
  5. Step 5: Solve for x
    x = 21,751,580,230.22/153,525.54
  6. Step 6: Final answer
    x = 141,680.53

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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.