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Finding the Fourth Proportional to 173,644.76, 260,130.10 and 127,969.50

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Solution

The fourth proportional to 173,644.76, 260,130.10 and 127,969.50 is: 191,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,644.76 : 260,130.10 = 127,969.50 : x
  2. Step 2: Convert to fraction form
    173,644.76/260,130.10 = 127,969.50/x
  3. Step 3: Cross multiply
    173,644.76x = 260,130.10 × 127,969.50
  4. Step 4: Simplify right side
    173,644.76x = 33,288,718,831.95
  5. Step 5: Solve for x
    x = 33,288,718,831.95/173,644.76
  6. Step 6: Final answer
    x = 191,705.86

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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.