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Finding the Fourth Proportional to 163,061.70, 244,592.55 and 139,733.70

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Solution

The fourth proportional to 163,061.70, 244,592.55 and 139,733.70 is: 209,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,061.70 : 244,592.55 = 139,733.70 : x
  2. Step 2: Convert to fraction form
    163,061.70/244,592.55 = 139,733.70/x
  3. Step 3: Cross multiply
    163,061.70x = 244,592.55 × 139,733.70
  4. Step 4: Simplify right side
    163,061.70x = 34,177,822,003.94
  5. Step 5: Solve for x
    x = 34,177,822,003.94/163,061.70
  6. Step 6: Final answer
    x = 209,600.55

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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.