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Finding the Fourth Proportional to 98,153.59, 147,211.75 and 27,058.66

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Solution

The fourth proportional to 98,153.59, 147,211.75 and 27,058.66 is: 40,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,153.59 : 147,211.75 = 27,058.66 : x
  2. Step 2: Convert to fraction form
    98,153.59/147,211.75 = 27,058.66/x
  3. Step 3: Cross multiply
    98,153.59x = 147,211.75 × 27,058.66
  4. Step 4: Simplify right side
    98,153.59x = 3,983,352,433.15
  5. Step 5: Solve for x
    x = 3,983,352,433.15/98,153.59
  6. Step 6: Final answer
    x = 40,582.85

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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.