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Finding the Fourth Proportional to 221,792.94, 306,077.22 and 126,300.03

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Solution

The fourth proportional to 221,792.94, 306,077.22 and 126,300.03 is: 174,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,792.94 : 306,077.22 = 126,300.03 : x
  2. Step 2: Convert to fraction form
    221,792.94/306,077.22 = 126,300.03/x
  3. Step 3: Cross multiply
    221,792.94x = 306,077.22 × 126,300.03
  4. Step 4: Simplify right side
    221,792.94x = 38,657,562,068.32
  5. Step 5: Solve for x
    x = 38,657,562,068.32/221,792.94
  6. Step 6: Final answer
    x = 174,295.73

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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.