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Finding the Fourth Proportional to 153,210.96, 211,415.94 and 95,839.20

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Solution

The fourth proportional to 153,210.96, 211,415.94 and 95,839.20 is: 132,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,210.96 : 211,415.94 = 95,839.20 : x
  2. Step 2: Convert to fraction form
    153,210.96/211,415.94 = 95,839.20/x
  3. Step 3: Cross multiply
    153,210.96x = 211,415.94 × 95,839.20
  4. Step 4: Simplify right side
    153,210.96x = 20,261,934,556.85
  5. Step 5: Solve for x
    x = 20,261,934,556.85/153,210.96
  6. Step 6: Final answer
    x = 132,248.60

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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.