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Finding the Fourth Proportional to 96,335.70, 144,503.55 and 76,506.90

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Solution

The fourth proportional to 96,335.70, 144,503.55 and 76,506.90 is: 114,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,335.70 : 144,503.55 = 76,506.90 : x
  2. Step 2: Convert to fraction form
    96,335.70/144,503.55 = 76,506.90/x
  3. Step 3: Cross multiply
    96,335.70x = 144,503.55 × 76,506.90
  4. Step 4: Simplify right side
    96,335.70x = 11,055,518,649.50
  5. Step 5: Solve for x
    x = 11,055,518,649.50/96,335.70
  6. Step 6: Final answer
    x = 114,760.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.